Home / 2,233.24-3,081.50-1,393.81

Finding the Fourth Proportional to 2,233.24, 3,081.50 and 1,393.81

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Solution

The fourth proportional to 2,233.24, 3,081.50 and 1,393.81 is: 1,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.24 : 3,081.50 = 1,393.81 : x
  2. Step 2: Convert to fraction form
    2,233.24/3,081.50 = 1,393.81/x
  3. Step 3: Cross multiply
    2,233.24x = 3,081.50 × 1,393.81
  4. Step 4: Simplify right side
    2,233.24x = 4,295,010.11
  5. Step 5: Solve for x
    x = 4,295,010.11/2,233.24
  6. Step 6: Final answer
    x = 1,923.22

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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.