Home / 3,443.51-5,161.12-1,249.66

Finding the Fourth Proportional to 3,443.51, 5,161.12 and 1,249.66

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Solution

The fourth proportional to 3,443.51, 5,161.12 and 1,249.66 is: 1,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.51 : 5,161.12 = 1,249.66 : x
  2. Step 2: Convert to fraction form
    3,443.51/5,161.12 = 1,249.66/x
  3. Step 3: Cross multiply
    3,443.51x = 5,161.12 × 1,249.66
  4. Step 4: Simplify right side
    3,443.51x = 6,449,648.55
  5. Step 5: Solve for x
    x = 6,449,648.55/3,443.51
  6. Step 6: Final answer
    x = 1,872.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.