Home / 2,731.13-3,769.28-1,552.13

Finding the Fourth Proportional to 2,731.13, 3,769.28 and 1,552.13

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Solution

The fourth proportional to 2,731.13, 3,769.28 and 1,552.13 is: 2,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.13 : 3,769.28 = 1,552.13 : x
  2. Step 2: Convert to fraction form
    2,731.13/3,769.28 = 1,552.13/x
  3. Step 3: Cross multiply
    2,731.13x = 3,769.28 × 1,552.13
  4. Step 4: Simplify right side
    2,731.13x = 5,850,385.96
  5. Step 5: Solve for x
    x = 5,850,385.96/2,731.13
  6. Step 6: Final answer
    x = 2,142.12

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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.