Home / 3,640.51-5,463.28-1,666.38

Finding the Fourth Proportional to 3,640.51, 5,463.28 and 1,666.38

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Solution

The fourth proportional to 3,640.51, 5,463.28 and 1,666.38 is: 2,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.51 : 5,463.28 = 1,666.38 : x
  2. Step 2: Convert to fraction form
    3,640.51/5,463.28 = 1,666.38/x
  3. Step 3: Cross multiply
    3,640.51x = 5,463.28 × 1,666.38
  4. Step 4: Simplify right side
    3,640.51x = 9,103,873.21
  5. Step 5: Solve for x
    x = 9,103,873.21/3,640.51
  6. Step 6: Final answer
    x = 2,500.72

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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.