Home / 3,668.40-5,058.45-2,487.42

Finding the Fourth Proportional to 3,668.40, 5,058.45 and 2,487.42

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Solution

The fourth proportional to 3,668.40, 5,058.45 and 2,487.42 is: 3,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.40 : 5,058.45 = 2,487.42 : x
  2. Step 2: Convert to fraction form
    3,668.40/5,058.45 = 2,487.42/x
  3. Step 3: Cross multiply
    3,668.40x = 5,058.45 × 2,487.42
  4. Step 4: Simplify right side
    3,668.40x = 12,582,489.70
  5. Step 5: Solve for x
    x = 12,582,489.70/3,668.40
  6. Step 6: Final answer
    x = 3,429.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.