Home / 2,380.62-3,285.27-1,332.68

Finding the Fourth Proportional to 2,380.62, 3,285.27 and 1,332.68

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Solution

The fourth proportional to 2,380.62, 3,285.27 and 1,332.68 is: 1,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.62 : 3,285.27 = 1,332.68 : x
  2. Step 2: Convert to fraction form
    2,380.62/3,285.27 = 1,332.68/x
  3. Step 3: Cross multiply
    2,380.62x = 3,285.27 × 1,332.68
  4. Step 4: Simplify right side
    2,380.62x = 4,378,213.62
  5. Step 5: Solve for x
    x = 4,378,213.62/2,380.62
  6. Step 6: Final answer
    x = 1,839.11

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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.