Home / 3,727.50-5,592.78-1,646.40

Finding the Fourth Proportional to 3,727.50, 5,592.78 and 1,646.40

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Solution

The fourth proportional to 3,727.50, 5,592.78 and 1,646.40 is: 2,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.50 : 5,592.78 = 1,646.40 : x
  2. Step 2: Convert to fraction form
    3,727.50/5,592.78 = 1,646.40/x
  3. Step 3: Cross multiply
    3,727.50x = 5,592.78 × 1,646.40
  4. Step 4: Simplify right side
    3,727.50x = 9,207,952.99
  5. Step 5: Solve for x
    x = 9,207,952.99/3,727.50
  6. Step 6: Final answer
    x = 2,470.28

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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.