Home / 3,138.16-4,327.07-2,508.26

Finding the Fourth Proportional to 3,138.16, 4,327.07 and 2,508.26

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Solution

The fourth proportional to 3,138.16, 4,327.07 and 2,508.26 is: 3,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.16 : 4,327.07 = 2,508.26 : x
  2. Step 2: Convert to fraction form
    3,138.16/4,327.07 = 2,508.26/x
  3. Step 3: Cross multiply
    3,138.16x = 4,327.07 × 2,508.26
  4. Step 4: Simplify right side
    3,138.16x = 10,853,420.87
  5. Step 5: Solve for x
    x = 10,853,420.87/3,138.16
  6. Step 6: Final answer
    x = 3,458.53

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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.