Home / 2,200.80-3,299.10-738.93

Finding the Fourth Proportional to 2,200.80, 3,299.10 and 738.93

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Solution

The fourth proportional to 2,200.80, 3,299.10 and 738.93 is: 1,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.80 : 3,299.10 = 738.93 : x
  2. Step 2: Convert to fraction form
    2,200.80/3,299.10 = 738.93/x
  3. Step 3: Cross multiply
    2,200.80x = 3,299.10 × 738.93
  4. Step 4: Simplify right side
    2,200.80x = 2,437,803.96
  5. Step 5: Solve for x
    x = 2,437,803.96/2,200.80
  6. Step 6: Final answer
    x = 1,107.69

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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.