Home / 3,142.07-4,712.95-1,061.38

Finding the Fourth Proportional to 3,142.07, 4,712.95 and 1,061.38

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Solution

The fourth proportional to 3,142.07, 4,712.95 and 1,061.38 is: 1,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.07 : 4,712.95 = 1,061.38 : x
  2. Step 2: Convert to fraction form
    3,142.07/4,712.95 = 1,061.38/x
  3. Step 3: Cross multiply
    3,142.07x = 4,712.95 × 1,061.38
  4. Step 4: Simplify right side
    3,142.07x = 5,002,230.87
  5. Step 5: Solve for x
    x = 5,002,230.87/3,142.07
  6. Step 6: Final answer
    x = 1,592.02

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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.