Home / 2,319.09-3,479.19-675.60

Finding the Fourth Proportional to 2,319.09, 3,479.19 and 675.60

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Solution

The fourth proportional to 2,319.09, 3,479.19 and 675.60 is: 1,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.09 : 3,479.19 = 675.60 : x
  2. Step 2: Convert to fraction form
    2,319.09/3,479.19 = 675.60/x
  3. Step 3: Cross multiply
    2,319.09x = 3,479.19 × 675.60
  4. Step 4: Simplify right side
    2,319.09x = 2,350,540.76
  5. Step 5: Solve for x
    x = 2,350,540.76/2,319.09
  6. Step 6: Final answer
    x = 1,013.56

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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.