Home / 2,319.29-3,479.45-675.97

Finding the Fourth Proportional to 2,319.29, 3,479.45 and 675.97

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Solution

The fourth proportional to 2,319.29, 3,479.45 and 675.97 is: 1,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.29 : 3,479.45 = 675.97 : x
  2. Step 2: Convert to fraction form
    2,319.29/3,479.45 = 675.97/x
  3. Step 3: Cross multiply
    2,319.29x = 3,479.45 × 675.97
  4. Step 4: Simplify right side
    2,319.29x = 2,352,003.82
  5. Step 5: Solve for x
    x = 2,352,003.82/2,319.29
  6. Step 6: Final answer
    x = 1,014.11

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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.