Home / 2,171.28-3,257.33-710.04

Finding the Fourth Proportional to 2,171.28, 3,257.33 and 710.04

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Solution

The fourth proportional to 2,171.28, 3,257.33 and 710.04 is: 1,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.28 : 3,257.33 = 710.04 : x
  2. Step 2: Convert to fraction form
    2,171.28/3,257.33 = 710.04/x
  3. Step 3: Cross multiply
    2,171.28x = 3,257.33 × 710.04
  4. Step 4: Simplify right side
    2,171.28x = 2,312,831.04
  5. Step 5: Solve for x
    x = 2,312,831.04/2,171.28
  6. Step 6: Final answer
    x = 1,065.19

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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.