Home / 3,540.33-5,311.13-1,459.18

Finding the Fourth Proportional to 3,540.33, 5,311.13 and 1,459.18

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Solution

The fourth proportional to 3,540.33, 5,311.13 and 1,459.18 is: 2,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.33 : 5,311.13 = 1,459.18 : x
  2. Step 2: Convert to fraction form
    3,540.33/5,311.13 = 1,459.18/x
  3. Step 3: Cross multiply
    3,540.33x = 5,311.13 × 1,459.18
  4. Step 4: Simplify right side
    3,540.33x = 7,749,868.12
  5. Step 5: Solve for x
    x = 7,749,868.12/3,540.33
  6. Step 6: Final answer
    x = 2,189.03

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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.