Home / 3,646.72-5,470.14-2,187.04

Finding the Fourth Proportional to 3,646.72, 5,470.14 and 2,187.04

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Solution

The fourth proportional to 3,646.72, 5,470.14 and 2,187.04 is: 3,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.72 : 5,470.14 = 2,187.04 : x
  2. Step 2: Convert to fraction form
    3,646.72/5,470.14 = 2,187.04/x
  3. Step 3: Cross multiply
    3,646.72x = 5,470.14 × 2,187.04
  4. Step 4: Simplify right side
    3,646.72x = 11,963,414.99
  5. Step 5: Solve for x
    x = 11,963,414.99/3,646.72
  6. Step 6: Final answer
    x = 3,280.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.