Home / 2,233.16-3,351.78-1,138.28

Finding the Fourth Proportional to 2,233.16, 3,351.78 and 1,138.28

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Solution

The fourth proportional to 2,233.16, 3,351.78 and 1,138.28 is: 1,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.16 : 3,351.78 = 1,138.28 : x
  2. Step 2: Convert to fraction form
    2,233.16/3,351.78 = 1,138.28/x
  3. Step 3: Cross multiply
    2,233.16x = 3,351.78 × 1,138.28
  4. Step 4: Simplify right side
    2,233.16x = 3,815,264.14
  5. Step 5: Solve for x
    x = 3,815,264.14/2,233.16
  6. Step 6: Final answer
    x = 1,708.46

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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.