Home / 3,008.83-4,152.28-1,682.77

Finding the Fourth Proportional to 3,008.83, 4,152.28 and 1,682.77

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Solution

The fourth proportional to 3,008.83, 4,152.28 and 1,682.77 is: 2,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.83 : 4,152.28 = 1,682.77 : x
  2. Step 2: Convert to fraction form
    3,008.83/4,152.28 = 1,682.77/x
  3. Step 3: Cross multiply
    3,008.83x = 4,152.28 × 1,682.77
  4. Step 4: Simplify right side
    3,008.83x = 6,987,313.42
  5. Step 5: Solve for x
    x = 6,987,313.42/3,008.83
  6. Step 6: Final answer
    x = 2,322.27

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Half scale
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Double scale
Find fourth proportional to 3,009.83, 4,153.66 and 1,683.77
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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.