Home / 2,203.74-3,301.97-1,105.79

Finding the Fourth Proportional to 2,203.74, 3,301.97 and 1,105.79

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Solution

The fourth proportional to 2,203.74, 3,301.97 and 1,105.79 is: 1,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.74 : 3,301.97 = 1,105.79 : x
  2. Step 2: Convert to fraction form
    2,203.74/3,301.97 = 1,105.79/x
  3. Step 3: Cross multiply
    2,203.74x = 3,301.97 × 1,105.79
  4. Step 4: Simplify right side
    2,203.74x = 3,651,263.37
  5. Step 5: Solve for x
    x = 3,651,263.37/2,203.74
  6. Step 6: Final answer
    x = 1,656.85

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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.