Home / 2,863.15-4,262.17-2,728.96

Finding the Fourth Proportional to 2,863.15, 4,262.17 and 2,728.96

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Solution

The fourth proportional to 2,863.15, 4,262.17 and 2,728.96 is: 4,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.15 : 4,262.17 = 2,728.96 : x
  2. Step 2: Convert to fraction form
    2,863.15/4,262.17 = 2,728.96/x
  3. Step 3: Cross multiply
    2,863.15x = 4,262.17 × 2,728.96
  4. Step 4: Simplify right side
    2,863.15x = 11,631,279.08
  5. Step 5: Solve for x
    x = 11,631,279.08/2,863.15
  6. Step 6: Final answer
    x = 4,062.41

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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.