Home / 1,843.11-2,546.51-1,255.05

Finding the Fourth Proportional to 1,843.11, 2,546.51 and 1,255.05

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Solution

The fourth proportional to 1,843.11, 2,546.51 and 1,255.05 is: 1,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.11 : 2,546.51 = 1,255.05 : x
  2. Step 2: Convert to fraction form
    1,843.11/2,546.51 = 1,255.05/x
  3. Step 3: Cross multiply
    1,843.11x = 2,546.51 × 1,255.05
  4. Step 4: Simplify right side
    1,843.11x = 3,195,991.10
  5. Step 5: Solve for x
    x = 3,195,991.10/1,843.11
  6. Step 6: Final answer
    x = 1,734.02

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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.