Home / 3,848.45-5,769.12-1,872.96

Finding the Fourth Proportional to 3,848.45, 5,769.12 and 1,872.96

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Solution

The fourth proportional to 3,848.45, 5,769.12 and 1,872.96 is: 2,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.45 : 5,769.12 = 1,872.96 : x
  2. Step 2: Convert to fraction form
    3,848.45/5,769.12 = 1,872.96/x
  3. Step 3: Cross multiply
    3,848.45x = 5,769.12 × 1,872.96
  4. Step 4: Simplify right side
    3,848.45x = 10,805,316.38
  5. Step 5: Solve for x
    x = 10,805,316.38/3,848.45
  6. Step 6: Final answer
    x = 2,807.71

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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.