Home / 3,418.24-5,126.40-1,337.64

Finding the Fourth Proportional to 3,418.24, 5,126.40 and 1,337.64

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Solution

The fourth proportional to 3,418.24, 5,126.40 and 1,337.64 is: 2,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.24 : 5,126.40 = 1,337.64 : x
  2. Step 2: Convert to fraction form
    3,418.24/5,126.40 = 1,337.64/x
  3. Step 3: Cross multiply
    3,418.24x = 5,126.40 × 1,337.64
  4. Step 4: Simplify right side
    3,418.24x = 6,857,277.70
  5. Step 5: Solve for x
    x = 6,857,277.70/3,418.24
  6. Step 6: Final answer
    x = 2,006.08

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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.