Home / 3,869.32-5,801.58-1,271.56

Finding the Fourth Proportional to 3,869.32, 5,801.58 and 1,271.56

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Solution

The fourth proportional to 3,869.32, 5,801.58 and 1,271.56 is: 1,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.32 : 5,801.58 = 1,271.56 : x
  2. Step 2: Convert to fraction form
    3,869.32/5,801.58 = 1,271.56/x
  3. Step 3: Cross multiply
    3,869.32x = 5,801.58 × 1,271.56
  4. Step 4: Simplify right side
    3,869.32x = 7,377,057.06
  5. Step 5: Solve for x
    x = 7,377,057.06/3,869.32
  6. Step 6: Final answer
    x = 1,906.55

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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.