Home / 3,709.02-5,117.13-2,272.92

Finding the Fourth Proportional to 3,709.02, 5,117.13 and 2,272.92

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Solution

The fourth proportional to 3,709.02, 5,117.13 and 2,272.92 is: 3,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.02 : 5,117.13 = 2,272.92 : x
  2. Step 2: Convert to fraction form
    3,709.02/5,117.13 = 2,272.92/x
  3. Step 3: Cross multiply
    3,709.02x = 5,117.13 × 2,272.92
  4. Step 4: Simplify right side
    3,709.02x = 11,630,827.12
  5. Step 5: Solve for x
    x = 11,630,827.12/3,709.02
  6. Step 6: Final answer
    x = 3,135.82

Related Problems

Find fourth proportional to 1,854.51, 2,558.57 and 1,136.46
Half scale
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Double scale
Find fourth proportional to 3,710.02, 5,118.51 and 2,273.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.