Home / 3,531.36-5,296.96-2,079.72

Finding the Fourth Proportional to 3,531.36, 5,296.96 and 2,079.72

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Solution

The fourth proportional to 3,531.36, 5,296.96 and 2,079.72 is: 3,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.36 : 5,296.96 = 2,079.72 : x
  2. Step 2: Convert to fraction form
    3,531.36/5,296.96 = 2,079.72/x
  3. Step 3: Cross multiply
    3,531.36x = 5,296.96 × 2,079.72
  4. Step 4: Simplify right side
    3,531.36x = 11,016,193.65
  5. Step 5: Solve for x
    x = 11,016,193.65/3,531.36
  6. Step 6: Final answer
    x = 3,119.53

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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.