Home / 3,617.65-4,991.92-2,125.23

Finding the Fourth Proportional to 3,617.65, 4,991.92 and 2,125.23

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Solution

The fourth proportional to 3,617.65, 4,991.92 and 2,125.23 is: 2,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.65 : 4,991.92 = 2,125.23 : x
  2. Step 2: Convert to fraction form
    3,617.65/4,991.92 = 2,125.23/x
  3. Step 3: Cross multiply
    3,617.65x = 4,991.92 × 2,125.23
  4. Step 4: Simplify right side
    3,617.65x = 10,608,978.14
  5. Step 5: Solve for x
    x = 10,608,978.14/3,617.65
  6. Step 6: Final answer
    x = 2,932.56

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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.