Home / 2,339.52-3,228.32-1,344.70

Finding the Fourth Proportional to 2,339.52, 3,228.32 and 1,344.70

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Solution

The fourth proportional to 2,339.52, 3,228.32 and 1,344.70 is: 1,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.52 : 3,228.32 = 1,344.70 : x
  2. Step 2: Convert to fraction form
    2,339.52/3,228.32 = 1,344.70/x
  3. Step 3: Cross multiply
    2,339.52x = 3,228.32 × 1,344.70
  4. Step 4: Simplify right side
    2,339.52x = 4,341,121.90
  5. Step 5: Solve for x
    x = 4,341,121.90/2,339.52
  6. Step 6: Final answer
    x = 1,855.56

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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.