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Finding the Fourth Proportional to 3,157.97, 4,358.95 and 1,832.00

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Solution

The fourth proportional to 3,157.97, 4,358.95 and 1,832.00 is: 2,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.97 : 4,358.95 = 1,832.00 : x
  2. Step 2: Convert to fraction form
    3,157.97/4,358.95 = 1,832.00/x
  3. Step 3: Cross multiply
    3,157.97x = 4,358.95 × 1,832.00
  4. Step 4: Simplify right side
    3,157.97x = 7,985,570.03
  5. Step 5: Solve for x
    x = 7,985,570.03/3,157.97
  6. Step 6: Final answer
    x = 2,528.71

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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.