Home / 3,319.97-4,979.96-1,372.23

Finding the Fourth Proportional to 3,319.97, 4,979.96 and 1,372.23

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Solution

The fourth proportional to 3,319.97, 4,979.96 and 1,372.23 is: 2,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.97 : 4,979.96 = 1,372.23 : x
  2. Step 2: Convert to fraction form
    3,319.97/4,979.96 = 1,372.23/x
  3. Step 3: Cross multiply
    3,319.97x = 4,979.96 × 1,372.23
  4. Step 4: Simplify right side
    3,319.97x = 6,833,643.65
  5. Step 5: Solve for x
    x = 6,833,643.65/3,319.97
  6. Step 6: Final answer
    x = 2,058.35

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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.