Home / 2,338.30-3,226.46-1,329.85

Finding the Fourth Proportional to 2,338.30, 3,226.46 and 1,329.85

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Solution

The fourth proportional to 2,338.30, 3,226.46 and 1,329.85 is: 1,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.30 : 3,226.46 = 1,329.85 : x
  2. Step 2: Convert to fraction form
    2,338.30/3,226.46 = 1,329.85/x
  3. Step 3: Cross multiply
    2,338.30x = 3,226.46 × 1,329.85
  4. Step 4: Simplify right side
    2,338.30x = 4,290,685.05
  5. Step 5: Solve for x
    x = 4,290,685.05/2,338.30
  6. Step 6: Final answer
    x = 1,834.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.