Home / 2,766.97-4,150.39-918.23

Finding the Fourth Proportional to 2,766.97, 4,150.39 and 918.23

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Solution

The fourth proportional to 2,766.97, 4,150.39 and 918.23 is: 1,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.97 : 4,150.39 = 918.23 : x
  2. Step 2: Convert to fraction form
    2,766.97/4,150.39 = 918.23/x
  3. Step 3: Cross multiply
    2,766.97x = 4,150.39 × 918.23
  4. Step 4: Simplify right side
    2,766.97x = 3,811,012.61
  5. Step 5: Solve for x
    x = 3,811,012.61/2,766.97
  6. Step 6: Final answer
    x = 1,377.32

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1.5x scale

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.