Home / 2,785.29-4,171.30-1,612.82

Finding the Fourth Proportional to 2,785.29, 4,171.30 and 1,612.82

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Solution

The fourth proportional to 2,785.29, 4,171.30 and 1,612.82 is: 2,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.29 : 4,171.30 = 1,612.82 : x
  2. Step 2: Convert to fraction form
    2,785.29/4,171.30 = 1,612.82/x
  3. Step 3: Cross multiply
    2,785.29x = 4,171.30 × 1,612.82
  4. Step 4: Simplify right side
    2,785.29x = 6,727,550.73
  5. Step 5: Solve for x
    x = 6,727,550.73/2,785.29
  6. Step 6: Final answer
    x = 2,415.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.