Home / 3,901.87-5,384.66-2,133.47

Finding the Fourth Proportional to 3,901.87, 5,384.66 and 2,133.47

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Solution

The fourth proportional to 3,901.87, 5,384.66 and 2,133.47 is: 2,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.87 : 5,384.66 = 2,133.47 : x
  2. Step 2: Convert to fraction form
    3,901.87/5,384.66 = 2,133.47/x
  3. Step 3: Cross multiply
    3,901.87x = 5,384.66 × 2,133.47
  4. Step 4: Simplify right side
    3,901.87x = 11,488,010.57
  5. Step 5: Solve for x
    x = 11,488,010.57/3,901.87
  6. Step 6: Final answer
    x = 2,944.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.