Home / 3,127.96-4,691.20-1,048.04

Finding the Fourth Proportional to 3,127.96, 4,691.20 and 1,048.04

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Solution

The fourth proportional to 3,127.96, 4,691.20 and 1,048.04 is: 1,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.96 : 4,691.20 = 1,048.04 : x
  2. Step 2: Convert to fraction form
    3,127.96/4,691.20 = 1,048.04/x
  3. Step 3: Cross multiply
    3,127.96x = 4,691.20 × 1,048.04
  4. Step 4: Simplify right side
    3,127.96x = 4,916,565.25
  5. Step 5: Solve for x
    x = 4,916,565.25/3,127.96
  6. Step 6: Final answer
    x = 1,571.81

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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.