Home / 3,512.06-5,268.05-1,431.57

Finding the Fourth Proportional to 3,512.06, 5,268.05 and 1,431.57

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Solution

The fourth proportional to 3,512.06, 5,268.05 and 1,431.57 is: 2,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.06 : 5,268.05 = 1,431.57 : x
  2. Step 2: Convert to fraction form
    3,512.06/5,268.05 = 1,431.57/x
  3. Step 3: Cross multiply
    3,512.06x = 5,268.05 × 1,431.57
  4. Step 4: Simplify right side
    3,512.06x = 7,541,575.18
  5. Step 5: Solve for x
    x = 7,541,575.18/3,512.06
  6. Step 6: Final answer
    x = 2,147.34

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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.