Home / 3,144.48-4,715.91-1,296.12

Finding the Fourth Proportional to 3,144.48, 4,715.91 and 1,296.12

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Solution

The fourth proportional to 3,144.48, 4,715.91 and 1,296.12 is: 1,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.48 : 4,715.91 = 1,296.12 : x
  2. Step 2: Convert to fraction form
    3,144.48/4,715.91 = 1,296.12/x
  3. Step 3: Cross multiply
    3,144.48x = 4,715.91 × 1,296.12
  4. Step 4: Simplify right side
    3,144.48x = 6,112,385.27
  5. Step 5: Solve for x
    x = 6,112,385.27/3,144.48
  6. Step 6: Final answer
    x = 1,943.85

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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.