Home / 3,936.76-5,903.36-1,162.47

Finding the Fourth Proportional to 3,936.76, 5,903.36 and 1,162.47

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Solution

The fourth proportional to 3,936.76, 5,903.36 and 1,162.47 is: 1,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.76 : 5,903.36 = 1,162.47 : x
  2. Step 2: Convert to fraction form
    3,936.76/5,903.36 = 1,162.47/x
  3. Step 3: Cross multiply
    3,936.76x = 5,903.36 × 1,162.47
  4. Step 4: Simplify right side
    3,936.76x = 6,862,478.90
  5. Step 5: Solve for x
    x = 6,862,478.90/3,936.76
  6. Step 6: Final answer
    x = 1,743.18

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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.