Home / 3,742.52-5,613.96-1,145.48

Finding the Fourth Proportional to 3,742.52, 5,613.96 and 1,145.48

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Solution

The fourth proportional to 3,742.52, 5,613.96 and 1,145.48 is: 1,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.52 : 5,613.96 = 1,145.48 : x
  2. Step 2: Convert to fraction form
    3,742.52/5,613.96 = 1,145.48/x
  3. Step 3: Cross multiply
    3,742.52x = 5,613.96 × 1,145.48
  4. Step 4: Simplify right side
    3,742.52x = 6,430,678.90
  5. Step 5: Solve for x
    x = 6,430,678.90/3,742.52
  6. Step 6: Final answer
    x = 1,718.28

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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.