Home / 3,860.12-5,327.82-2,267.48

Finding the Fourth Proportional to 3,860.12, 5,327.82 and 2,267.48

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Solution

The fourth proportional to 3,860.12, 5,327.82 and 2,267.48 is: 3,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.12 : 5,327.82 = 2,267.48 : x
  2. Step 2: Convert to fraction form
    3,860.12/5,327.82 = 2,267.48/x
  3. Step 3: Cross multiply
    3,860.12x = 5,327.82 × 2,267.48
  4. Step 4: Simplify right side
    3,860.12x = 12,080,725.29
  5. Step 5: Solve for x
    x = 12,080,725.29/3,860.12
  6. Step 6: Final answer
    x = 3,129.62

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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.