Home / 2,729.58-4,089.15-2,238.66

Finding the Fourth Proportional to 2,729.58, 4,089.15 and 2,238.66

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Solution

The fourth proportional to 2,729.58, 4,089.15 and 2,238.66 is: 3,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.58 : 4,089.15 = 2,238.66 : x
  2. Step 2: Convert to fraction form
    2,729.58/4,089.15 = 2,238.66/x
  3. Step 3: Cross multiply
    2,729.58x = 4,089.15 × 2,238.66
  4. Step 4: Simplify right side
    2,729.58x = 9,154,216.54
  5. Step 5: Solve for x
    x = 9,154,216.54/2,729.58
  6. Step 6: Final answer
    x = 3,353.71

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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.