Home / 1,337.38-2,004.70-515.44

Finding the Fourth Proportional to 1,337.38, 2,004.70 and 515.44

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Solution

The fourth proportional to 1,337.38, 2,004.70 and 515.44 is: 772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.38 : 2,004.70 = 515.44 : x
  2. Step 2: Convert to fraction form
    1,337.38/2,004.70 = 515.44/x
  3. Step 3: Cross multiply
    1,337.38x = 2,004.70 × 515.44
  4. Step 4: Simplify right side
    1,337.38x = 1,033,302.57
  5. Step 5: Solve for x
    x = 1,033,302.57/1,337.38
  6. Step 6: Final answer
    x = 772.63

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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.