Home / 2,512.15-3,459.45-2,351.69

Finding the Fourth Proportional to 2,512.15, 3,459.45 and 2,351.69

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Solution

The fourth proportional to 2,512.15, 3,459.45 and 2,351.69 is: 3,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.15 : 3,459.45 = 2,351.69 : x
  2. Step 2: Convert to fraction form
    2,512.15/3,459.45 = 2,351.69/x
  3. Step 3: Cross multiply
    2,512.15x = 3,459.45 × 2,351.69
  4. Step 4: Simplify right side
    2,512.15x = 8,135,562.62
  5. Step 5: Solve for x
    x = 8,135,562.62/2,512.15
  6. Step 6: Final answer
    x = 3,238.49

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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.