Home / 3,640.97-5,463.71-1,666.28

Finding the Fourth Proportional to 3,640.97, 5,463.71 and 1,666.28

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Solution

The fourth proportional to 3,640.97, 5,463.71 and 1,666.28 is: 2,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.97 : 5,463.71 = 1,666.28 : x
  2. Step 2: Convert to fraction form
    3,640.97/5,463.71 = 1,666.28/x
  3. Step 3: Cross multiply
    3,640.97x = 5,463.71 × 1,666.28
  4. Step 4: Simplify right side
    3,640.97x = 9,104,047.55
  5. Step 5: Solve for x
    x = 9,104,047.55/3,640.97
  6. Step 6: Final answer
    x = 2,500.45

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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.