Home / 1,742.80-2,617.85-1,469.43

Finding the Fourth Proportional to 1,742.80, 2,617.85 and 1,469.43

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Solution

The fourth proportional to 1,742.80, 2,617.85 and 1,469.43 is: 2,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.80 : 2,617.85 = 1,469.43 : x
  2. Step 2: Convert to fraction form
    1,742.80/2,617.85 = 1,469.43/x
  3. Step 3: Cross multiply
    1,742.80x = 2,617.85 × 1,469.43
  4. Step 4: Simplify right side
    1,742.80x = 3,846,726.89
  5. Step 5: Solve for x
    x = 3,846,726.89/1,742.80
  6. Step 6: Final answer
    x = 2,207.21

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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.