Home / 2,339.30-3,228.42-1,344.76

Finding the Fourth Proportional to 2,339.30, 3,228.42 and 1,344.76

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Solution

The fourth proportional to 2,339.30, 3,228.42 and 1,344.76 is: 1,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.30 : 3,228.42 = 1,344.76 : x
  2. Step 2: Convert to fraction form
    2,339.30/3,228.42 = 1,344.76/x
  3. Step 3: Cross multiply
    2,339.30x = 3,228.42 × 1,344.76
  4. Step 4: Simplify right side
    2,339.30x = 4,341,450.08
  5. Step 5: Solve for x
    x = 4,341,450.08/2,339.30
  6. Step 6: Final answer
    x = 1,855.88

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Half scale
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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.