Home / 3,865.42-5,796.91-1,267.75

Finding the Fourth Proportional to 3,865.42, 5,796.91 and 1,267.75

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Solution

The fourth proportional to 3,865.42, 5,796.91 and 1,267.75 is: 1,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.42 : 5,796.91 = 1,267.75 : x
  2. Step 2: Convert to fraction form
    3,865.42/5,796.91 = 1,267.75/x
  3. Step 3: Cross multiply
    3,865.42x = 5,796.91 × 1,267.75
  4. Step 4: Simplify right side
    3,865.42x = 7,349,032.65
  5. Step 5: Solve for x
    x = 7,349,032.65/3,865.42
  6. Step 6: Final answer
    x = 1,901.22

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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.