Home / 2,675.12-4,016.54-2,215.80

Finding the Fourth Proportional to 2,675.12, 4,016.54 and 2,215.80

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Solution

The fourth proportional to 2,675.12, 4,016.54 and 2,215.80 is: 3,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.12 : 4,016.54 = 2,215.80 : x
  2. Step 2: Convert to fraction form
    2,675.12/4,016.54 = 2,215.80/x
  3. Step 3: Cross multiply
    2,675.12x = 4,016.54 × 2,215.80
  4. Step 4: Simplify right side
    2,675.12x = 8,899,849.33
  5. Step 5: Solve for x
    x = 8,899,849.33/2,675.12
  6. Step 6: Final answer
    x = 3,326.90

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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.