Home / 2,863.08-4,290.57-2,515.59

Finding the Fourth Proportional to 2,863.08, 4,290.57 and 2,515.59

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Solution

The fourth proportional to 2,863.08, 4,290.57 and 2,515.59 is: 3,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.08 : 4,290.57 = 2,515.59 : x
  2. Step 2: Convert to fraction form
    2,863.08/4,290.57 = 2,515.59/x
  3. Step 3: Cross multiply
    2,863.08x = 4,290.57 × 2,515.59
  4. Step 4: Simplify right side
    2,863.08x = 10,793,314.99
  5. Step 5: Solve for x
    x = 10,793,314.99/2,863.08
  6. Step 6: Final answer
    x = 3,769.83

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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.