Home / 1,684.17-2,522.33-1,625.78

Finding the Fourth Proportional to 1,684.17, 2,522.33 and 1,625.78

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Solution

The fourth proportional to 1,684.17, 2,522.33 and 1,625.78 is: 2,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.17 : 2,522.33 = 1,625.78 : x
  2. Step 2: Convert to fraction form
    1,684.17/2,522.33 = 1,625.78/x
  3. Step 3: Cross multiply
    1,684.17x = 2,522.33 × 1,625.78
  4. Step 4: Simplify right side
    1,684.17x = 4,100,753.67
  5. Step 5: Solve for x
    x = 4,100,753.67/1,684.17
  6. Step 6: Final answer
    x = 2,434.88

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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.