Home / 2,724.29-3,759.66-1,545.74

Finding the Fourth Proportional to 2,724.29, 3,759.66 and 1,545.74

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Solution

The fourth proportional to 2,724.29, 3,759.66 and 1,545.74 is: 2,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.29 : 3,759.66 = 1,545.74 : x
  2. Step 2: Convert to fraction form
    2,724.29/3,759.66 = 1,545.74/x
  3. Step 3: Cross multiply
    2,724.29x = 3,759.66 × 1,545.74
  4. Step 4: Simplify right side
    2,724.29x = 5,811,438.05
  5. Step 5: Solve for x
    x = 5,811,438.05/2,724.29
  6. Step 6: Final answer
    x = 2,133.20

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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.