Home / 2,084.39-3,127.29-697.87

Finding the Fourth Proportional to 2,084.39, 3,127.29 and 697.87

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Solution

The fourth proportional to 2,084.39, 3,127.29 and 697.87 is: 1,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.39 : 3,127.29 = 697.87 : x
  2. Step 2: Convert to fraction form
    2,084.39/3,127.29 = 697.87/x
  3. Step 3: Cross multiply
    2,084.39x = 3,127.29 × 697.87
  4. Step 4: Simplify right side
    2,084.39x = 2,182,441.87
  5. Step 5: Solve for x
    x = 2,182,441.87/2,084.39
  6. Step 6: Final answer
    x = 1,047.04

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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.