Home / 3,381.48-4,663.92-2,387.04

Finding the Fourth Proportional to 3,381.48, 4,663.92 and 2,387.04

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Solution

The fourth proportional to 3,381.48, 4,663.92 and 2,387.04 is: 3,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.48 : 4,663.92 = 2,387.04 : x
  2. Step 2: Convert to fraction form
    3,381.48/4,663.92 = 2,387.04/x
  3. Step 3: Cross multiply
    3,381.48x = 4,663.92 × 2,387.04
  4. Step 4: Simplify right side
    3,381.48x = 11,132,963.60
  5. Step 5: Solve for x
    x = 11,132,963.60/3,381.48
  6. Step 6: Final answer
    x = 3,292.33

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1.5x scale

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.