Home / 2,380.64-3,285.28-1,332.70

Finding the Fourth Proportional to 2,380.64, 3,285.28 and 1,332.70

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Solution

The fourth proportional to 2,380.64, 3,285.28 and 1,332.70 is: 1,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.64 : 3,285.28 = 1,332.70 : x
  2. Step 2: Convert to fraction form
    2,380.64/3,285.28 = 1,332.70/x
  3. Step 3: Cross multiply
    2,380.64x = 3,285.28 × 1,332.70
  4. Step 4: Simplify right side
    2,380.64x = 4,378,308.34
  5. Step 5: Solve for x
    x = 4,378,308.34/2,380.64
  6. Step 6: Final answer
    x = 1,839.13

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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.