Home / 1,635.90-2,456.99-1,402.16

Finding the Fourth Proportional to 1,635.90, 2,456.99 and 1,402.16

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Solution

The fourth proportional to 1,635.90, 2,456.99 and 1,402.16 is: 2,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.90 : 2,456.99 = 1,402.16 : x
  2. Step 2: Convert to fraction form
    1,635.90/2,456.99 = 1,402.16/x
  3. Step 3: Cross multiply
    1,635.90x = 2,456.99 × 1,402.16
  4. Step 4: Simplify right side
    1,635.90x = 3,445,073.80
  5. Step 5: Solve for x
    x = 3,445,073.80/1,635.90
  6. Step 6: Final answer
    x = 2,105.92

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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.