Home / 3,487.26-5,231.45-1,146.58

Finding the Fourth Proportional to 3,487.26, 5,231.45 and 1,146.58

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Solution

The fourth proportional to 3,487.26, 5,231.45 and 1,146.58 is: 1,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.26 : 5,231.45 = 1,146.58 : x
  2. Step 2: Convert to fraction form
    3,487.26/5,231.45 = 1,146.58/x
  3. Step 3: Cross multiply
    3,487.26x = 5,231.45 × 1,146.58
  4. Step 4: Simplify right side
    3,487.26x = 5,998,270.21
  5. Step 5: Solve for x
    x = 5,998,270.21/3,487.26
  6. Step 6: Final answer
    x = 1,720.05

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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.