Home / 1,761.24-2,638.62-1,677.42

Finding the Fourth Proportional to 1,761.24, 2,638.62 and 1,677.42

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Solution

The fourth proportional to 1,761.24, 2,638.62 and 1,677.42 is: 2,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.24 : 2,638.62 = 1,677.42 : x
  2. Step 2: Convert to fraction form
    1,761.24/2,638.62 = 1,677.42/x
  3. Step 3: Cross multiply
    1,761.24x = 2,638.62 × 1,677.42
  4. Step 4: Simplify right side
    1,761.24x = 4,426,073.96
  5. Step 5: Solve for x
    x = 4,426,073.96/1,761.24
  6. Step 6: Final answer
    x = 2,513.04

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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.