Home / 3,617.31-4,992.71-2,125.71

Finding the Fourth Proportional to 3,617.31, 4,992.71 and 2,125.71

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Solution

The fourth proportional to 3,617.31, 4,992.71 and 2,125.71 is: 2,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.31 : 4,992.71 = 2,125.71 : x
  2. Step 2: Convert to fraction form
    3,617.31/4,992.71 = 2,125.71/x
  3. Step 3: Cross multiply
    3,617.31x = 4,992.71 × 2,125.71
  4. Step 4: Simplify right side
    3,617.31x = 10,613,042.95
  5. Step 5: Solve for x
    x = 10,613,042.95/3,617.31
  6. Step 6: Final answer
    x = 2,933.96

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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.