Home / 2,979.54-4,109.25-2,235.24

Finding the Fourth Proportional to 2,979.54, 4,109.25 and 2,235.24

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Solution

The fourth proportional to 2,979.54, 4,109.25 and 2,235.24 is: 3,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.54 : 4,109.25 = 2,235.24 : x
  2. Step 2: Convert to fraction form
    2,979.54/4,109.25 = 2,235.24/x
  3. Step 3: Cross multiply
    2,979.54x = 4,109.25 × 2,235.24
  4. Step 4: Simplify right side
    2,979.54x = 9,185,159.97
  5. Step 5: Solve for x
    x = 9,185,159.97/2,979.54
  6. Step 6: Final answer
    x = 3,082.74

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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.