Home / 2,957.75-4,081.54-1,631.37

Finding the Fourth Proportional to 2,957.75, 4,081.54 and 1,631.37

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Solution

The fourth proportional to 2,957.75, 4,081.54 and 1,631.37 is: 2,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.75 : 4,081.54 = 1,631.37 : x
  2. Step 2: Convert to fraction form
    2,957.75/4,081.54 = 1,631.37/x
  3. Step 3: Cross multiply
    2,957.75x = 4,081.54 × 1,631.37
  4. Step 4: Simplify right side
    2,957.75x = 6,658,493.75
  5. Step 5: Solve for x
    x = 6,658,493.75/2,957.75
  6. Step 6: Final answer
    x = 2,251.21

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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.