Home / 2,209.24-3,048.74-1,265.03

Finding the Fourth Proportional to 2,209.24, 3,048.74 and 1,265.03

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Solution

The fourth proportional to 2,209.24, 3,048.74 and 1,265.03 is: 1,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.24 : 3,048.74 = 1,265.03 : x
  2. Step 2: Convert to fraction form
    2,209.24/3,048.74 = 1,265.03/x
  3. Step 3: Cross multiply
    2,209.24x = 3,048.74 × 1,265.03
  4. Step 4: Simplify right side
    2,209.24x = 3,856,747.56
  5. Step 5: Solve for x
    x = 3,856,747.56/2,209.24
  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.