Home / 2,764.19-4,142.81-1,654.43

Finding the Fourth Proportional to 2,764.19, 4,142.81 and 1,654.43

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Solution

The fourth proportional to 2,764.19, 4,142.81 and 1,654.43 is: 2,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.19 : 4,142.81 = 1,654.43 : x
  2. Step 2: Convert to fraction form
    2,764.19/4,142.81 = 1,654.43/x
  3. Step 3: Cross multiply
    2,764.19x = 4,142.81 × 1,654.43
  4. Step 4: Simplify right side
    2,764.19x = 6,853,960.16
  5. Step 5: Solve for x
    x = 6,853,960.16/2,764.19
  6. Step 6: Final answer
    x = 2,479.56

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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.