Home / 3,864.64-5,797.78-1,267.36

Finding the Fourth Proportional to 3,864.64, 5,797.78 and 1,267.36

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Solution

The fourth proportional to 3,864.64, 5,797.78 and 1,267.36 is: 1,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.64 : 5,797.78 = 1,267.36 : x
  2. Step 2: Convert to fraction form
    3,864.64/5,797.78 = 1,267.36/x
  3. Step 3: Cross multiply
    3,864.64x = 5,797.78 × 1,267.36
  4. Step 4: Simplify right side
    3,864.64x = 7,347,874.46
  5. Step 5: Solve for x
    x = 7,347,874.46/3,864.64
  6. Step 6: Final answer
    x = 1,901.31

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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.