Home / 3,901.77-5,384.45-2,133.38

Finding the Fourth Proportional to 3,901.77, 5,384.45 and 2,133.38

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Solution

The fourth proportional to 3,901.77, 5,384.45 and 2,133.38 is: 2,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.77 : 5,384.45 = 2,133.38 : x
  2. Step 2: Convert to fraction form
    3,901.77/5,384.45 = 2,133.38/x
  3. Step 3: Cross multiply
    3,901.77x = 5,384.45 × 2,133.38
  4. Step 4: Simplify right side
    3,901.77x = 11,487,077.94
  5. Step 5: Solve for x
    x = 11,487,077.94/3,901.77
  6. Step 6: Final answer
    x = 2,944.07

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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.