Home / 3,977.70-5,967.38-1,204.64

Finding the Fourth Proportional to 3,977.70, 5,967.38 and 1,204.64

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Solution

The fourth proportional to 3,977.70, 5,967.38 and 1,204.64 is: 1,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.70 : 5,967.38 = 1,204.64 : x
  2. Step 2: Convert to fraction form
    3,977.70/5,967.38 = 1,204.64/x
  3. Step 3: Cross multiply
    3,977.70x = 5,967.38 × 1,204.64
  4. Step 4: Simplify right side
    3,977.70x = 7,188,514.81
  5. Step 5: Solve for x
    x = 7,188,514.81/3,977.70
  6. Step 6: Final answer
    x = 1,807.20

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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.