Home / 3,781.42-5,672.14-2,060.98

Finding the Fourth Proportional to 3,781.42, 5,672.14 and 2,060.98

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Solution

The fourth proportional to 3,781.42, 5,672.14 and 2,060.98 is: 3,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.42 : 5,672.14 = 2,060.98 : x
  2. Step 2: Convert to fraction form
    3,781.42/5,672.14 = 2,060.98/x
  3. Step 3: Cross multiply
    3,781.42x = 5,672.14 × 2,060.98
  4. Step 4: Simplify right side
    3,781.42x = 11,690,147.76
  5. Step 5: Solve for x
    x = 11,690,147.76/3,781.42
  6. Step 6: Final answer
    x = 3,091.47

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1.5x scale

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.