Home / 2,619.29-3,613.32-2,431.71

Finding the Fourth Proportional to 2,619.29, 3,613.32 and 2,431.71

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Solution

The fourth proportional to 2,619.29, 3,613.32 and 2,431.71 is: 3,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.29 : 3,613.32 = 2,431.71 : x
  2. Step 2: Convert to fraction form
    2,619.29/3,613.32 = 2,431.71/x
  3. Step 3: Cross multiply
    2,619.29x = 3,613.32 × 2,431.71
  4. Step 4: Simplify right side
    2,619.29x = 8,786,546.38
  5. Step 5: Solve for x
    x = 8,786,546.38/2,619.29
  6. Step 6: Final answer
    x = 3,354.56

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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.