Home / 3,217.12-4,825.95-1,025.87

Finding the Fourth Proportional to 3,217.12, 4,825.95 and 1,025.87

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Solution

The fourth proportional to 3,217.12, 4,825.95 and 1,025.87 is: 1,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.12 : 4,825.95 = 1,025.87 : x
  2. Step 2: Convert to fraction form
    3,217.12/4,825.95 = 1,025.87/x
  3. Step 3: Cross multiply
    3,217.12x = 4,825.95 × 1,025.87
  4. Step 4: Simplify right side
    3,217.12x = 4,950,769.35
  5. Step 5: Solve for x
    x = 4,950,769.35/3,217.12
  6. Step 6: Final answer
    x = 1,538.88

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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.