Home / 2,877.25-4,296.15-2,578.83

Finding the Fourth Proportional to 2,877.25, 4,296.15 and 2,578.83

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Solution

The fourth proportional to 2,877.25, 4,296.15 and 2,578.83 is: 3,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.25 : 4,296.15 = 2,578.83 : x
  2. Step 2: Convert to fraction form
    2,877.25/4,296.15 = 2,578.83/x
  3. Step 3: Cross multiply
    2,877.25x = 4,296.15 × 2,578.83
  4. Step 4: Simplify right side
    2,877.25x = 11,079,027.61
  5. Step 5: Solve for x
    x = 11,079,027.61/2,877.25
  6. Step 6: Final answer
    x = 3,850.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.