Home / 3,629.68-5,008.86-2,057.92

Finding the Fourth Proportional to 3,629.68, 5,008.86 and 2,057.92

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Solution

The fourth proportional to 3,629.68, 5,008.86 and 2,057.92 is: 2,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.68 : 5,008.86 = 2,057.92 : x
  2. Step 2: Convert to fraction form
    3,629.68/5,008.86 = 2,057.92/x
  3. Step 3: Cross multiply
    3,629.68x = 5,008.86 × 2,057.92
  4. Step 4: Simplify right side
    3,629.68x = 10,307,833.17
  5. Step 5: Solve for x
    x = 10,307,833.17/3,629.68
  6. Step 6: Final answer
    x = 2,839.87

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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.