Home / 3,937.30-5,905.92-1,015.59

Finding the Fourth Proportional to 3,937.30, 5,905.92 and 1,015.59

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Solution

The fourth proportional to 3,937.30, 5,905.92 and 1,015.59 is: 1,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.30 : 5,905.92 = 1,015.59 : x
  2. Step 2: Convert to fraction form
    3,937.30/5,905.92 = 1,015.59/x
  3. Step 3: Cross multiply
    3,937.30x = 5,905.92 × 1,015.59
  4. Step 4: Simplify right side
    3,937.30x = 5,997,993.29
  5. Step 5: Solve for x
    x = 5,997,993.29/3,937.30
  6. Step 6: Final answer
    x = 1,523.38

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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.