Home / 2,591.38-3,556.97-2,305.35

Finding the Fourth Proportional to 2,591.38, 3,556.97 and 2,305.35

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Solution

The fourth proportional to 2,591.38, 3,556.97 and 2,305.35 is: 3,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.38 : 3,556.97 = 2,305.35 : x
  2. Step 2: Convert to fraction form
    2,591.38/3,556.97 = 2,305.35/x
  3. Step 3: Cross multiply
    2,591.38x = 3,556.97 × 2,305.35
  4. Step 4: Simplify right side
    2,591.38x = 8,200,060.79
  5. Step 5: Solve for x
    x = 8,200,060.79/2,591.38
  6. Step 6: Final answer
    x = 3,164.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.