Home / 3,181.52-4,391.65-2,591.03

Finding the Fourth Proportional to 3,181.52, 4,391.65 and 2,591.03

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Solution

The fourth proportional to 3,181.52, 4,391.65 and 2,591.03 is: 3,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.52 : 4,391.65 = 2,591.03 : x
  2. Step 2: Convert to fraction form
    3,181.52/4,391.65 = 2,591.03/x
  3. Step 3: Cross multiply
    3,181.52x = 4,391.65 × 2,591.03
  4. Step 4: Simplify right side
    3,181.52x = 11,378,911.12
  5. Step 5: Solve for x
    x = 11,378,911.12/3,181.52
  6. Step 6: Final answer
    x = 3,576.56

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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.