Home / 3,872.24-5,340.47-2,545.46

Finding the Fourth Proportional to 3,872.24, 5,340.47 and 2,545.46

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Solution

The fourth proportional to 3,872.24, 5,340.47 and 2,545.46 is: 3,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.24 : 5,340.47 = 2,545.46 : x
  2. Step 2: Convert to fraction form
    3,872.24/5,340.47 = 2,545.46/x
  3. Step 3: Cross multiply
    3,872.24x = 5,340.47 × 2,545.46
  4. Step 4: Simplify right side
    3,872.24x = 13,593,933.36
  5. Step 5: Solve for x
    x = 13,593,933.36/3,872.24
  6. Step 6: Final answer
    x = 3,510.61

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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.