Home / 3,743.22-5,613.29-1,278.24

Finding the Fourth Proportional to 3,743.22, 5,613.29 and 1,278.24

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Solution

The fourth proportional to 3,743.22, 5,613.29 and 1,278.24 is: 1,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.22 : 5,613.29 = 1,278.24 : x
  2. Step 2: Convert to fraction form
    3,743.22/5,613.29 = 1,278.24/x
  3. Step 3: Cross multiply
    3,743.22x = 5,613.29 × 1,278.24
  4. Step 4: Simplify right side
    3,743.22x = 7,175,125.42
  5. Step 5: Solve for x
    x = 7,175,125.42/3,743.22
  6. Step 6: Final answer
    x = 1,916.83

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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.