Home / 2,171.47-3,257.19-528.03

Finding the Fourth Proportional to 2,171.47, 3,257.19 and 528.03

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Solution

The fourth proportional to 2,171.47, 3,257.19 and 528.03 is: 792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.47 : 3,257.19 = 528.03 : x
  2. Step 2: Convert to fraction form
    2,171.47/3,257.19 = 528.03/x
  3. Step 3: Cross multiply
    2,171.47x = 3,257.19 × 528.03
  4. Step 4: Simplify right side
    2,171.47x = 1,719,894.04
  5. Step 5: Solve for x
    x = 1,719,894.04/2,171.47
  6. Step 6: Final answer
    x = 792.04

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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.