Home / 3,742.37-5,613.35-1,145.31

Finding the Fourth Proportional to 3,742.37, 5,613.35 and 1,145.31

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Solution

The fourth proportional to 3,742.37, 5,613.35 and 1,145.31 is: 1,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.37 : 5,613.35 = 1,145.31 : x
  2. Step 2: Convert to fraction form
    3,742.37/5,613.35 = 1,145.31/x
  3. Step 3: Cross multiply
    3,742.37x = 5,613.35 × 1,145.31
  4. Step 4: Simplify right side
    3,742.37x = 6,429,020.16
  5. Step 5: Solve for x
    x = 6,429,020.16/3,742.37
  6. Step 6: Final answer
    x = 1,717.90

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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.