Home / 3,936.20-5,889.92-2,370.47

Finding the Fourth Proportional to 3,936.20, 5,889.92 and 2,370.47

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Solution

The fourth proportional to 3,936.20, 5,889.92 and 2,370.47 is: 3,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.20 : 5,889.92 = 2,370.47 : x
  2. Step 2: Convert to fraction form
    3,936.20/5,889.92 = 2,370.47/x
  3. Step 3: Cross multiply
    3,936.20x = 5,889.92 × 2,370.47
  4. Step 4: Simplify right side
    3,936.20x = 13,961,837.36
  5. Step 5: Solve for x
    x = 13,961,837.36/3,936.20
  6. Step 6: Final answer
    x = 3,547.04

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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.