Home / 3,781.68-5,666.76-2,548.68

Finding the Fourth Proportional to 3,781.68, 5,666.76 and 2,548.68

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Solution

The fourth proportional to 3,781.68, 5,666.76 and 2,548.68 is: 3,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.68 : 5,666.76 = 2,548.68 : x
  2. Step 2: Convert to fraction form
    3,781.68/5,666.76 = 2,548.68/x
  3. Step 3: Cross multiply
    3,781.68x = 5,666.76 × 2,548.68
  4. Step 4: Simplify right side
    3,781.68x = 14,442,757.88
  5. Step 5: Solve for x
    x = 14,442,757.88/3,781.68
  6. Step 6: Final answer
    x = 3,819.14

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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.