Home / 2,230.20-3,343.95-997.38

Finding the Fourth Proportional to 2,230.20, 3,343.95 and 997.38

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Solution

The fourth proportional to 2,230.20, 3,343.95 and 997.38 is: 1,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.20 : 3,343.95 = 997.38 : x
  2. Step 2: Convert to fraction form
    2,230.20/3,343.95 = 997.38/x
  3. Step 3: Cross multiply
    2,230.20x = 3,343.95 × 997.38
  4. Step 4: Simplify right side
    2,230.20x = 3,335,188.85
  5. Step 5: Solve for x
    x = 3,335,188.85/2,230.20
  6. Step 6: Final answer
    x = 1,495.47

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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.