Home / 3,257.29-4,887.32-1,613.87

Finding the Fourth Proportional to 3,257.29, 4,887.32 and 1,613.87

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Solution

The fourth proportional to 3,257.29, 4,887.32 and 1,613.87 is: 2,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.29 : 4,887.32 = 1,613.87 : x
  2. Step 2: Convert to fraction form
    3,257.29/4,887.32 = 1,613.87/x
  3. Step 3: Cross multiply
    3,257.29x = 4,887.32 × 1,613.87
  4. Step 4: Simplify right side
    3,257.29x = 7,887,466.62
  5. Step 5: Solve for x
    x = 7,887,466.62/3,257.29
  6. Step 6: Final answer
    x = 2,421.48

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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.