Home / 3,540.46-5,311.32-1,459.31

Finding the Fourth Proportional to 3,540.46, 5,311.32 and 1,459.31

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Solution

The fourth proportional to 3,540.46, 5,311.32 and 1,459.31 is: 2,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.46 : 5,311.32 = 1,459.31 : x
  2. Step 2: Convert to fraction form
    3,540.46/5,311.32 = 1,459.31/x
  3. Step 3: Cross multiply
    3,540.46x = 5,311.32 × 1,459.31
  4. Step 4: Simplify right side
    3,540.46x = 7,750,835.83
  5. Step 5: Solve for x
    x = 7,750,835.83/3,540.46
  6. Step 6: Final answer
    x = 2,189.22

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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.