Home / 2,253.13-3,381.41-1,815.45

Finding the Fourth Proportional to 2,253.13, 3,381.41 and 1,815.45

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Solution

The fourth proportional to 2,253.13, 3,381.41 and 1,815.45 is: 2,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.13 : 3,381.41 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    2,253.13/3,381.41 = 1,815.45/x
  3. Step 3: Cross multiply
    2,253.13x = 3,381.41 × 1,815.45
  4. Step 4: Simplify right side
    2,253.13x = 6,138,780.78
  5. Step 5: Solve for x
    x = 6,138,780.78/2,253.13
  6. Step 6: Final answer
    x = 2,724.56

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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.