Home / 2,610.24-3,916.80-1,149.44

Finding the Fourth Proportional to 2,610.24, 3,916.80 and 1,149.44

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Solution

The fourth proportional to 2,610.24, 3,916.80 and 1,149.44 is: 1,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.24 : 3,916.80 = 1,149.44 : x
  2. Step 2: Convert to fraction form
    2,610.24/3,916.80 = 1,149.44/x
  3. Step 3: Cross multiply
    2,610.24x = 3,916.80 × 1,149.44
  4. Step 4: Simplify right side
    2,610.24x = 4,502,126.59
  5. Step 5: Solve for x
    x = 4,502,126.59/2,610.24
  6. Step 6: Final answer
    x = 1,724.79

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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.