Home / 3,743.20-5,160.27-2,902.42

Finding the Fourth Proportional to 3,743.20, 5,160.27 and 2,902.42

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Solution

The fourth proportional to 3,743.20, 5,160.27 and 2,902.42 is: 4,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.20 : 5,160.27 = 2,902.42 : x
  2. Step 2: Convert to fraction form
    3,743.20/5,160.27 = 2,902.42/x
  3. Step 3: Cross multiply
    3,743.20x = 5,160.27 × 2,902.42
  4. Step 4: Simplify right side
    3,743.20x = 14,977,270.85
  5. Step 5: Solve for x
    x = 14,977,270.85/3,743.20
  6. Step 6: Final answer
    x = 4,001.19

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1.5x scale

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.