Home / 2,253.52-3,378.00-1,081.81

Finding the Fourth Proportional to 2,253.52, 3,378.00 and 1,081.81

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Solution

The fourth proportional to 2,253.52, 3,378.00 and 1,081.81 is: 1,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.52 : 3,378.00 = 1,081.81 : x
  2. Step 2: Convert to fraction form
    2,253.52/3,378.00 = 1,081.81/x
  3. Step 3: Cross multiply
    2,253.52x = 3,378.00 × 1,081.81
  4. Step 4: Simplify right side
    2,253.52x = 3,654,360.43
  5. Step 5: Solve for x
    x = 3,654,360.43/2,253.52
  6. Step 6: Final answer
    x = 1,621.62

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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.