Home / 1,816.78-2,721.64-1,034.42

Finding the Fourth Proportional to 1,816.78, 2,721.64 and 1,034.42

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Solution

The fourth proportional to 1,816.78, 2,721.64 and 1,034.42 is: 1,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.78 : 2,721.64 = 1,034.42 : x
  2. Step 2: Convert to fraction form
    1,816.78/2,721.64 = 1,034.42/x
  3. Step 3: Cross multiply
    1,816.78x = 2,721.64 × 1,034.42
  4. Step 4: Simplify right side
    1,816.78x = 2,815,318.85
  5. Step 5: Solve for x
    x = 2,815,318.85/1,816.78
  6. Step 6: Final answer
    x = 1,549.62

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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.