Home / 2,176.21-3,264.30-532.78

Finding the Fourth Proportional to 2,176.21, 3,264.30 and 532.78

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Solution

The fourth proportional to 2,176.21, 3,264.30 and 532.78 is: 799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.21 : 3,264.30 = 532.78 : x
  2. Step 2: Convert to fraction form
    2,176.21/3,264.30 = 532.78/x
  3. Step 3: Cross multiply
    2,176.21x = 3,264.30 × 532.78
  4. Step 4: Simplify right side
    2,176.21x = 1,739,153.75
  5. Step 5: Solve for x
    x = 1,739,153.75/2,176.21
  6. Step 6: Final answer
    x = 799.17

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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.