Home / 2,088.16-3,132.15-528.21

Finding the Fourth Proportional to 2,088.16, 3,132.15 and 528.21

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Solution

The fourth proportional to 2,088.16, 3,132.15 and 528.21 is: 792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.16 : 3,132.15 = 528.21 : x
  2. Step 2: Convert to fraction form
    2,088.16/3,132.15 = 528.21/x
  3. Step 3: Cross multiply
    2,088.16x = 3,132.15 × 528.21
  4. Step 4: Simplify right side
    2,088.16x = 1,654,439.17
  5. Step 5: Solve for x
    x = 1,654,439.17/2,088.16
  6. Step 6: Final answer
    x = 792.30

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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.