Home / 3,411.20-5,121.66-2,594.72

Finding the Fourth Proportional to 3,411.20, 5,121.66 and 2,594.72

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Solution

The fourth proportional to 3,411.20, 5,121.66 and 2,594.72 is: 3,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.20 : 5,121.66 = 2,594.72 : x
  2. Step 2: Convert to fraction form
    3,411.20/5,121.66 = 2,594.72/x
  3. Step 3: Cross multiply
    3,411.20x = 5,121.66 × 2,594.72
  4. Step 4: Simplify right side
    3,411.20x = 13,289,273.64
  5. Step 5: Solve for x
    x = 13,289,273.64/3,411.20
  6. Step 6: Final answer
    x = 3,895.78

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1.5x scale

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.