Home / 3,901.47-5,383.85-2,133.09

Finding the Fourth Proportional to 3,901.47, 5,383.85 and 2,133.09

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Solution

The fourth proportional to 3,901.47, 5,383.85 and 2,133.09 is: 2,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.47 : 5,383.85 = 2,133.09 : x
  2. Step 2: Convert to fraction form
    3,901.47/5,383.85 = 2,133.09/x
  3. Step 3: Cross multiply
    3,901.47x = 5,383.85 × 2,133.09
  4. Step 4: Simplify right side
    3,901.47x = 11,484,225.93
  5. Step 5: Solve for x
    x = 11,484,225.93/3,901.47
  6. Step 6: Final answer
    x = 2,943.56

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