Home / 3,479.60-5,215.32-1,744.64

Finding the Fourth Proportional to 3,479.60, 5,215.32 and 1,744.64

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Solution

The fourth proportional to 3,479.60, 5,215.32 and 1,744.64 is: 2,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.60 : 5,215.32 = 1,744.64 : x
  2. Step 2: Convert to fraction form
    3,479.60/5,215.32 = 1,744.64/x
  3. Step 3: Cross multiply
    3,479.60x = 5,215.32 × 1,744.64
  4. Step 4: Simplify right side
    3,479.60x = 9,098,855.88
  5. Step 5: Solve for x
    x = 9,098,855.88/3,479.60
  6. Step 6: Final answer
    x = 2,614.91

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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.