Home / 2,747.97-3,792.78-1,864.08

Finding the Fourth Proportional to 2,747.97, 3,792.78 and 1,864.08

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Solution

The fourth proportional to 2,747.97, 3,792.78 and 1,864.08 is: 2,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.97 : 3,792.78 = 1,864.08 : x
  2. Step 2: Convert to fraction form
    2,747.97/3,792.78 = 1,864.08/x
  3. Step 3: Cross multiply
    2,747.97x = 3,792.78 × 1,864.08
  4. Step 4: Simplify right side
    2,747.97x = 7,070,045.34
  5. Step 5: Solve for x
    x = 7,070,045.34/2,747.97
  6. Step 6: Final answer
    x = 2,572.82

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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.