Home / 2,230.91-3,340.49-1,306.83

Finding the Fourth Proportional to 2,230.91, 3,340.49 and 1,306.83

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Solution

The fourth proportional to 2,230.91, 3,340.49 and 1,306.83 is: 1,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.91 : 3,340.49 = 1,306.83 : x
  2. Step 2: Convert to fraction form
    2,230.91/3,340.49 = 1,306.83/x
  3. Step 3: Cross multiply
    2,230.91x = 3,340.49 × 1,306.83
  4. Step 4: Simplify right side
    2,230.91x = 4,365,446.01
  5. Step 5: Solve for x
    x = 4,365,446.01/2,230.91
  6. Step 6: Final answer
    x = 1,956.80

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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.