Home / 1,844.12-2,766.20-545.60

Finding the Fourth Proportional to 1,844.12, 2,766.20 and 545.60

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Solution

The fourth proportional to 1,844.12, 2,766.20 and 545.60 is: 818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.12 : 2,766.20 = 545.60 : x
  2. Step 2: Convert to fraction form
    1,844.12/2,766.20 = 545.60/x
  3. Step 3: Cross multiply
    1,844.12x = 2,766.20 × 545.60
  4. Step 4: Simplify right side
    1,844.12x = 1,509,238.72
  5. Step 5: Solve for x
    x = 1,509,238.72/1,844.12
  6. Step 6: Final answer
    x = 818.41

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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.