Home / 2,979.52-4,456.52-2,148.48

Finding the Fourth Proportional to 2,979.52, 4,456.52 and 2,148.48

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Solution

The fourth proportional to 2,979.52, 4,456.52 and 2,148.48 is: 3,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.52 : 4,456.52 = 2,148.48 : x
  2. Step 2: Convert to fraction form
    2,979.52/4,456.52 = 2,148.48/x
  3. Step 3: Cross multiply
    2,979.52x = 4,456.52 × 2,148.48
  4. Step 4: Simplify right side
    2,979.52x = 9,574,744.09
  5. Step 5: Solve for x
    x = 9,574,744.09/2,979.52
  6. Step 6: Final answer
    x = 3,213.52

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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.