Home / 2,200.62-3,300.24-739.43

Finding the Fourth Proportional to 2,200.62, 3,300.24 and 739.43

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Solution

The fourth proportional to 2,200.62, 3,300.24 and 739.43 is: 1,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.62 : 3,300.24 = 739.43 : x
  2. Step 2: Convert to fraction form
    2,200.62/3,300.24 = 739.43/x
  3. Step 3: Cross multiply
    2,200.62x = 3,300.24 × 739.43
  4. Step 4: Simplify right side
    2,200.62x = 2,440,307.49
  5. Step 5: Solve for x
    x = 2,440,307.49/2,200.62
  6. Step 6: Final answer
    x = 1,108.92

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1.5x scale

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.