Home / 1,843.75-2,766.17-545.25

Finding the Fourth Proportional to 1,843.75, 2,766.17 and 545.25

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Solution

The fourth proportional to 1,843.75, 2,766.17 and 545.25 is: 818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.75 : 2,766.17 = 545.25 : x
  2. Step 2: Convert to fraction form
    1,843.75/2,766.17 = 545.25/x
  3. Step 3: Cross multiply
    1,843.75x = 2,766.17 × 545.25
  4. Step 4: Simplify right side
    1,843.75x = 1,508,254.19
  5. Step 5: Solve for x
    x = 1,508,254.19/1,843.75
  6. Step 6: Final answer
    x = 818.04

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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.