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Finding the Fourth Proportional to 2,863.65, 4,290.44 and 2,508.29

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Solution

The fourth proportional to 2,863.65, 4,290.44 and 2,508.29 is: 3,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.65 : 4,290.44 = 2,508.29 : x
  2. Step 2: Convert to fraction form
    2,863.65/4,290.44 = 2,508.29/x
  3. Step 3: Cross multiply
    2,863.65x = 4,290.44 × 2,508.29
  4. Step 4: Simplify right side
    2,863.65x = 10,761,633.75
  5. Step 5: Solve for x
    x = 10,761,633.75/2,863.65
  6. Step 6: Final answer
    x = 3,758.01

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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.