Home / 3,391.42-5,077.20-2,572.93

Finding the Fourth Proportional to 3,391.42, 5,077.20 and 2,572.93

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Solution

The fourth proportional to 3,391.42, 5,077.20 and 2,572.93 is: 3,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.42 : 5,077.20 = 2,572.93 : x
  2. Step 2: Convert to fraction form
    3,391.42/5,077.20 = 2,572.93/x
  3. Step 3: Cross multiply
    3,391.42x = 5,077.20 × 2,572.93
  4. Step 4: Simplify right side
    3,391.42x = 13,063,280.20
  5. Step 5: Solve for x
    x = 13,063,280.20/3,391.42
  6. Step 6: Final answer
    x = 3,851.86

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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.