Home / 2,863.17-3,947.69-2,225.29

Finding the Fourth Proportional to 2,863.17, 3,947.69 and 2,225.29

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Solution

The fourth proportional to 2,863.17, 3,947.69 and 2,225.29 is: 3,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.17 : 3,947.69 = 2,225.29 : x
  2. Step 2: Convert to fraction form
    2,863.17/3,947.69 = 2,225.29/x
  3. Step 3: Cross multiply
    2,863.17x = 3,947.69 × 2,225.29
  4. Step 4: Simplify right side
    2,863.17x = 8,784,755.08
  5. Step 5: Solve for x
    x = 8,784,755.08/2,863.17
  6. Step 6: Final answer
    x = 3,068.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.