Home / 2,084.20-3,125.96-697.52

Finding the Fourth Proportional to 2,084.20, 3,125.96 and 697.52

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Solution

The fourth proportional to 2,084.20, 3,125.96 and 697.52 is: 1,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.20 : 3,125.96 = 697.52 : x
  2. Step 2: Convert to fraction form
    2,084.20/3,125.96 = 697.52/x
  3. Step 3: Cross multiply
    2,084.20x = 3,125.96 × 697.52
  4. Step 4: Simplify right side
    2,084.20x = 2,180,419.62
  5. Step 5: Solve for x
    x = 2,180,419.62/2,084.20
  6. Step 6: Final answer
    x = 1,046.17

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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.