Home / 3,966.39-5,475.65-2,902.97

Finding the Fourth Proportional to 3,966.39, 5,475.65 and 2,902.97

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Solution

The fourth proportional to 3,966.39, 5,475.65 and 2,902.97 is: 4,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.39 : 5,475.65 = 2,902.97 : x
  2. Step 2: Convert to fraction form
    3,966.39/5,475.65 = 2,902.97/x
  3. Step 3: Cross multiply
    3,966.39x = 5,475.65 × 2,902.97
  4. Step 4: Simplify right side
    3,966.39x = 15,895,646.85
  5. Step 5: Solve for x
    x = 15,895,646.85/3,966.39
  6. Step 6: Final answer
    x = 4,007.59

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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.