Home / 3,487.75-5,233.95-1,296.70

Finding the Fourth Proportional to 3,487.75, 5,233.95 and 1,296.70

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Solution

The fourth proportional to 3,487.75, 5,233.95 and 1,296.70 is: 1,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.75 : 5,233.95 = 1,296.70 : x
  2. Step 2: Convert to fraction form
    3,487.75/5,233.95 = 1,296.70/x
  3. Step 3: Cross multiply
    3,487.75x = 5,233.95 × 1,296.70
  4. Step 4: Simplify right side
    3,487.75x = 6,786,849.88
  5. Step 5: Solve for x
    x = 6,786,849.88/3,487.75
  6. Step 6: Final answer
    x = 1,945.91

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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.