Home / 2,418.18-3,337.91-1,423.76

Finding the Fourth Proportional to 2,418.18, 3,337.91 and 1,423.76

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Solution

The fourth proportional to 2,418.18, 3,337.91 and 1,423.76 is: 1,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.18 : 3,337.91 = 1,423.76 : x
  2. Step 2: Convert to fraction form
    2,418.18/3,337.91 = 1,423.76/x
  3. Step 3: Cross multiply
    2,418.18x = 3,337.91 × 1,423.76
  4. Step 4: Simplify right side
    2,418.18x = 4,752,358.93
  5. Step 5: Solve for x
    x = 4,752,358.93/2,418.18
  6. Step 6: Final answer
    x = 1,965.26

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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.