Home / 3,217.15-4,438.25-1,957.73

Finding the Fourth Proportional to 3,217.15, 4,438.25 and 1,957.73

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Solution

The fourth proportional to 3,217.15, 4,438.25 and 1,957.73 is: 2,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.15 : 4,438.25 = 1,957.73 : x
  2. Step 2: Convert to fraction form
    3,217.15/4,438.25 = 1,957.73/x
  3. Step 3: Cross multiply
    3,217.15x = 4,438.25 × 1,957.73
  4. Step 4: Simplify right side
    3,217.15x = 8,688,885.38
  5. Step 5: Solve for x
    x = 8,688,885.38/3,217.15
  6. Step 6: Final answer
    x = 2,700.81

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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.