Home / 1,844.25-2,766.39-545.79

Finding the Fourth Proportional to 1,844.25, 2,766.39 and 545.79

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Solution

The fourth proportional to 1,844.25, 2,766.39 and 545.79 is: 818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.25 : 2,766.39 = 545.79 : x
  2. Step 2: Convert to fraction form
    1,844.25/2,766.39 = 545.79/x
  3. Step 3: Cross multiply
    1,844.25x = 2,766.39 × 545.79
  4. Step 4: Simplify right side
    1,844.25x = 1,509,868.00
  5. Step 5: Solve for x
    x = 1,509,868.00/1,844.25
  6. Step 6: Final answer
    x = 818.69

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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.