Home / 3,964.47-5,471.06-2,285.97

Finding the Fourth Proportional to 3,964.47, 5,471.06 and 2,285.97

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Solution

The fourth proportional to 3,964.47, 5,471.06 and 2,285.97 is: 3,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.47 : 5,471.06 = 2,285.97 : x
  2. Step 2: Convert to fraction form
    3,964.47/5,471.06 = 2,285.97/x
  3. Step 3: Cross multiply
    3,964.47x = 5,471.06 × 2,285.97
  4. Step 4: Simplify right side
    3,964.47x = 12,506,667.60
  5. Step 5: Solve for x
    x = 12,506,667.60/3,964.47
  6. Step 6: Final answer
    x = 3,154.69

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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.