Home / 2,442.39-3,363.26-2,387.91

Finding the Fourth Proportional to 2,442.39, 3,363.26 and 2,387.91

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Solution

The fourth proportional to 2,442.39, 3,363.26 and 2,387.91 is: 3,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.39 : 3,363.26 = 2,387.91 : x
  2. Step 2: Convert to fraction form
    2,442.39/3,363.26 = 2,387.91/x
  3. Step 3: Cross multiply
    2,442.39x = 3,363.26 × 2,387.91
  4. Step 4: Simplify right side
    2,442.39x = 8,031,150.25
  5. Step 5: Solve for x
    x = 8,031,150.25/2,442.39
  6. Step 6: Final answer
    x = 3,288.23

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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.