Home / 3,431.97-5,157.06-1,873.11

Finding the Fourth Proportional to 3,431.97, 5,157.06 and 1,873.11

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Solution

The fourth proportional to 3,431.97, 5,157.06 and 1,873.11 is: 2,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.97 : 5,157.06 = 1,873.11 : x
  2. Step 2: Convert to fraction form
    3,431.97/5,157.06 = 1,873.11/x
  3. Step 3: Cross multiply
    3,431.97x = 5,157.06 × 1,873.11
  4. Step 4: Simplify right side
    3,431.97x = 9,659,740.66
  5. Step 5: Solve for x
    x = 9,659,740.66/3,431.97
  6. Step 6: Final answer
    x = 2,814.63

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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.