Home / 2,957.82-4,081.56-1,631.04

Finding the Fourth Proportional to 2,957.82, 4,081.56 and 1,631.04

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Solution

The fourth proportional to 2,957.82, 4,081.56 and 1,631.04 is: 2,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.82 : 4,081.56 = 1,631.04 : x
  2. Step 2: Convert to fraction form
    2,957.82/4,081.56 = 1,631.04/x
  3. Step 3: Cross multiply
    2,957.82x = 4,081.56 × 1,631.04
  4. Step 4: Simplify right side
    2,957.82x = 6,657,187.62
  5. Step 5: Solve for x
    x = 6,657,187.62/2,957.82
  6. Step 6: Final answer
    x = 2,250.71

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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.