Home / 3,149.28-4,721.16-1,200.24

Finding the Fourth Proportional to 3,149.28, 4,721.16 and 1,200.24

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Solution

The fourth proportional to 3,149.28, 4,721.16 and 1,200.24 is: 1,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.28 : 4,721.16 = 1,200.24 : x
  2. Step 2: Convert to fraction form
    3,149.28/4,721.16 = 1,200.24/x
  3. Step 3: Cross multiply
    3,149.28x = 4,721.16 × 1,200.24
  4. Step 4: Simplify right side
    3,149.28x = 5,666,525.08
  5. Step 5: Solve for x
    x = 5,666,525.08/3,149.28
  6. Step 6: Final answer
    x = 1,799.31

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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.