Home / 2,803.97-3,869.39-1,545.02

Finding the Fourth Proportional to 2,803.97, 3,869.39 and 1,545.02

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Solution

The fourth proportional to 2,803.97, 3,869.39 and 1,545.02 is: 2,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.97 : 3,869.39 = 1,545.02 : x
  2. Step 2: Convert to fraction form
    2,803.97/3,869.39 = 1,545.02/x
  3. Step 3: Cross multiply
    2,803.97x = 3,869.39 × 1,545.02
  4. Step 4: Simplify right side
    2,803.97x = 5,978,257.87
  5. Step 5: Solve for x
    x = 5,978,257.87/2,803.97
  6. Step 6: Final answer
    x = 2,132.07

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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.