Home / 2,084.03-3,125.70-697.31

Finding the Fourth Proportional to 2,084.03, 3,125.70 and 697.31

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Solution

The fourth proportional to 2,084.03, 3,125.70 and 697.31 is: 1,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.03 : 3,125.70 = 697.31 : x
  2. Step 2: Convert to fraction form
    2,084.03/3,125.70 = 697.31/x
  3. Step 3: Cross multiply
    2,084.03x = 3,125.70 × 697.31
  4. Step 4: Simplify right side
    2,084.03x = 2,179,581.87
  5. Step 5: Solve for x
    x = 2,179,581.87/2,084.03
  6. Step 6: Final answer
    x = 1,045.85

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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.