Home / 3,182.02-4,390.95-1,784.50

Finding the Fourth Proportional to 3,182.02, 4,390.95 and 1,784.50

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Solution

The fourth proportional to 3,182.02, 4,390.95 and 1,784.50 is: 2,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.02 : 4,390.95 = 1,784.50 : x
  2. Step 2: Convert to fraction form
    3,182.02/4,390.95 = 1,784.50/x
  3. Step 3: Cross multiply
    3,182.02x = 4,390.95 × 1,784.50
  4. Step 4: Simplify right side
    3,182.02x = 7,835,650.28
  5. Step 5: Solve for x
    x = 7,835,650.28/3,182.02
  6. Step 6: Final answer
    x = 2,462.48

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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.