Home / 3,866.32-5,335.03-2,272.75

Finding the Fourth Proportional to 3,866.32, 5,335.03 and 2,272.75

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Solution

The fourth proportional to 3,866.32, 5,335.03 and 2,272.75 is: 3,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.32 : 5,335.03 = 2,272.75 : x
  2. Step 2: Convert to fraction form
    3,866.32/5,335.03 = 2,272.75/x
  3. Step 3: Cross multiply
    3,866.32x = 5,335.03 × 2,272.75
  4. Step 4: Simplify right side
    3,866.32x = 12,125,189.43
  5. Step 5: Solve for x
    x = 12,125,189.43/3,866.32
  6. Step 6: Final answer
    x = 3,136.11

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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.