Home / 2,210.11-3,049.07-1,265.39

Finding the Fourth Proportional to 2,210.11, 3,049.07 and 1,265.39

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Solution

The fourth proportional to 2,210.11, 3,049.07 and 1,265.39 is: 1,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.11 : 3,049.07 = 1,265.39 : x
  2. Step 2: Convert to fraction form
    2,210.11/3,049.07 = 1,265.39/x
  3. Step 3: Cross multiply
    2,210.11x = 3,049.07 × 1,265.39
  4. Step 4: Simplify right side
    2,210.11x = 3,858,262.69
  5. Step 5: Solve for x
    x = 3,858,262.69/2,210.11
  6. Step 6: Final answer
    x = 1,745.73

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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.