Home / 2,137.33-2,949.36-1,240.66

Finding the Fourth Proportional to 2,137.33, 2,949.36 and 1,240.66

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Solution

The fourth proportional to 2,137.33, 2,949.36 and 1,240.66 is: 1,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.33 : 2,949.36 = 1,240.66 : x
  2. Step 2: Convert to fraction form
    2,137.33/2,949.36 = 1,240.66/x
  3. Step 3: Cross multiply
    2,137.33x = 2,949.36 × 1,240.66
  4. Step 4: Simplify right side
    2,137.33x = 3,659,138.23
  5. Step 5: Solve for x
    x = 3,659,138.23/2,137.33
  6. Step 6: Final answer
    x = 1,712.02

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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.