Home / 2,380.41-3,284.16-1,384.87

Finding the Fourth Proportional to 2,380.41, 3,284.16 and 1,384.87

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Solution

The fourth proportional to 2,380.41, 3,284.16 and 1,384.87 is: 1,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.41 : 3,284.16 = 1,384.87 : x
  2. Step 2: Convert to fraction form
    2,380.41/3,284.16 = 1,384.87/x
  3. Step 3: Cross multiply
    2,380.41x = 3,284.16 × 1,384.87
  4. Step 4: Simplify right side
    2,380.41x = 4,548,134.66
  5. Step 5: Solve for x
    x = 4,548,134.66/2,380.41
  6. Step 6: Final answer
    x = 1,910.65

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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.