Home / 3,281.52-4,529.45-2,147.36

Finding the Fourth Proportional to 3,281.52, 4,529.45 and 2,147.36

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Solution

The fourth proportional to 3,281.52, 4,529.45 and 2,147.36 is: 2,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.52 : 4,529.45 = 2,147.36 : x
  2. Step 2: Convert to fraction form
    3,281.52/4,529.45 = 2,147.36/x
  3. Step 3: Cross multiply
    3,281.52x = 4,529.45 × 2,147.36
  4. Step 4: Simplify right side
    3,281.52x = 9,726,326.37
  5. Step 5: Solve for x
    x = 9,726,326.37/3,281.52
  6. Step 6: Final answer
    x = 2,963.97

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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.