Home / 2,171.49-3,257.24-528.04

Finding the Fourth Proportional to 2,171.49, 3,257.24 and 528.04

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Solution

The fourth proportional to 2,171.49, 3,257.24 and 528.04 is: 792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.49 : 3,257.24 = 528.04 : x
  2. Step 2: Convert to fraction form
    2,171.49/3,257.24 = 528.04/x
  3. Step 3: Cross multiply
    2,171.49x = 3,257.24 × 528.04
  4. Step 4: Simplify right side
    2,171.49x = 1,719,953.01
  5. Step 5: Solve for x
    x = 1,719,953.01/2,171.49
  6. Step 6: Final answer
    x = 792.06

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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.