Home / 3,742.21-5,613.31-1,661.73

Finding the Fourth Proportional to 3,742.21, 5,613.31 and 1,661.73

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Solution

The fourth proportional to 3,742.21, 5,613.31 and 1,661.73 is: 2,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.21 : 5,613.31 = 1,661.73 : x
  2. Step 2: Convert to fraction form
    3,742.21/5,613.31 = 1,661.73/x
  3. Step 3: Cross multiply
    3,742.21x = 5,613.31 × 1,661.73
  4. Step 4: Simplify right side
    3,742.21x = 9,327,781.71
  5. Step 5: Solve for x
    x = 9,327,781.71/3,742.21
  6. Step 6: Final answer
    x = 2,492.59

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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.