Home / 3,355.75-5,031.24-1,480.72

Finding the Fourth Proportional to 3,355.75, 5,031.24 and 1,480.72

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Solution

The fourth proportional to 3,355.75, 5,031.24 and 1,480.72 is: 2,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.75 : 5,031.24 = 1,480.72 : x
  2. Step 2: Convert to fraction form
    3,355.75/5,031.24 = 1,480.72/x
  3. Step 3: Cross multiply
    3,355.75x = 5,031.24 × 1,480.72
  4. Step 4: Simplify right side
    3,355.75x = 7,449,857.69
  5. Step 5: Solve for x
    x = 7,449,857.69/3,355.75
  6. Step 6: Final answer
    x = 2,220.03

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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.