Home / 3,217.68-4,826.88-1,025.87

Finding the Fourth Proportional to 3,217.68, 4,826.88 and 1,025.87

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Solution

The fourth proportional to 3,217.68, 4,826.88 and 1,025.87 is: 1,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.68 : 4,826.88 = 1,025.87 : x
  2. Step 2: Convert to fraction form
    3,217.68/4,826.88 = 1,025.87/x
  3. Step 3: Cross multiply
    3,217.68x = 4,826.88 × 1,025.87
  4. Step 4: Simplify right side
    3,217.68x = 4,951,727.25
  5. Step 5: Solve for x
    x = 4,951,727.25/3,217.68
  6. Step 6: Final answer
    x = 1,538.91

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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.