Home / 2,209.37-3,314.06-749.55

Finding the Fourth Proportional to 2,209.37, 3,314.06 and 749.55

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Solution

The fourth proportional to 2,209.37, 3,314.06 and 749.55 is: 1,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.37 : 3,314.06 = 749.55 : x
  2. Step 2: Convert to fraction form
    2,209.37/3,314.06 = 749.55/x
  3. Step 3: Cross multiply
    2,209.37x = 3,314.06 × 749.55
  4. Step 4: Simplify right side
    2,209.37x = 2,484,049.93
  5. Step 5: Solve for x
    x = 2,484,049.93/2,209.37
  6. Step 6: Final answer
    x = 1,124.33

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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.