Home / 3,380.26-5,070.45-1,531.03

Finding the Fourth Proportional to 3,380.26, 5,070.45 and 1,531.03

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Solution

The fourth proportional to 3,380.26, 5,070.45 and 1,531.03 is: 2,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.26 : 5,070.45 = 1,531.03 : x
  2. Step 2: Convert to fraction form
    3,380.26/5,070.45 = 1,531.03/x
  3. Step 3: Cross multiply
    3,380.26x = 5,070.45 × 1,531.03
  4. Step 4: Simplify right side
    3,380.26x = 7,763,011.06
  5. Step 5: Solve for x
    x = 7,763,011.06/3,380.26
  6. Step 6: Final answer
    x = 2,296.57

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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.