Home / 2,761.08-4,143.24-1,301.28

Finding the Fourth Proportional to 2,761.08, 4,143.24 and 1,301.28

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Solution

The fourth proportional to 2,761.08, 4,143.24 and 1,301.28 is: 1,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.08 : 4,143.24 = 1,301.28 : x
  2. Step 2: Convert to fraction form
    2,761.08/4,143.24 = 1,301.28/x
  3. Step 3: Cross multiply
    2,761.08x = 4,143.24 × 1,301.28
  4. Step 4: Simplify right side
    2,761.08x = 5,391,515.35
  5. Step 5: Solve for x
    x = 5,391,515.35/2,761.08
  6. Step 6: Final answer
    x = 1,952.68

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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.