Home / 3,944.67-5,913.88-1,969.28

Finding the Fourth Proportional to 3,944.67, 5,913.88 and 1,969.28

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Solution

The fourth proportional to 3,944.67, 5,913.88 and 1,969.28 is: 2,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.67 : 5,913.88 = 1,969.28 : x
  2. Step 2: Convert to fraction form
    3,944.67/5,913.88 = 1,969.28/x
  3. Step 3: Cross multiply
    3,944.67x = 5,913.88 × 1,969.28
  4. Step 4: Simplify right side
    3,944.67x = 11,646,085.61
  5. Step 5: Solve for x
    x = 11,646,085.61/3,944.67
  6. Step 6: Final answer
    x = 2,952.36

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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.