Home / 3,487.30-5,231.40-1,733.20

Finding the Fourth Proportional to 3,487.30, 5,231.40 and 1,733.20

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Solution

The fourth proportional to 3,487.30, 5,231.40 and 1,733.20 is: 2,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.30 : 5,231.40 = 1,733.20 : x
  2. Step 2: Convert to fraction form
    3,487.30/5,231.40 = 1,733.20/x
  3. Step 3: Cross multiply
    3,487.30x = 5,231.40 × 1,733.20
  4. Step 4: Simplify right side
    3,487.30x = 9,067,062.48
  5. Step 5: Solve for x
    x = 9,067,062.48/3,487.30
  6. Step 6: Final answer
    x = 2,600.02

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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.