Home / 3,930.31-5,894.99-1,157.01

Finding the Fourth Proportional to 3,930.31, 5,894.99 and 1,157.01

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Solution

The fourth proportional to 3,930.31, 5,894.99 and 1,157.01 is: 1,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.31 : 5,894.99 = 1,157.01 : x
  2. Step 2: Convert to fraction form
    3,930.31/5,894.99 = 1,157.01/x
  3. Step 3: Cross multiply
    3,930.31x = 5,894.99 × 1,157.01
  4. Step 4: Simplify right side
    3,930.31x = 6,820,562.38
  5. Step 5: Solve for x
    x = 6,820,562.38/3,930.31
  6. Step 6: Final answer
    x = 1,735.38

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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.