Home / 2,380.32-3,284.85-1,332.38

Finding the Fourth Proportional to 2,380.32, 3,284.85 and 1,332.38

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Solution

The fourth proportional to 2,380.32, 3,284.85 and 1,332.38 is: 1,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.32 : 3,284.85 = 1,332.38 : x
  2. Step 2: Convert to fraction form
    2,380.32/3,284.85 = 1,332.38/x
  3. Step 3: Cross multiply
    2,380.32x = 3,284.85 × 1,332.38
  4. Step 4: Simplify right side
    2,380.32x = 4,376,652.02
  5. Step 5: Solve for x
    x = 4,376,652.02/2,380.32
  6. Step 6: Final answer
    x = 1,838.68

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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.