Home / 3,977.91-5,967.07-2,419.61

Finding the Fourth Proportional to 3,977.91, 5,967.07 and 2,419.61

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Solution

The fourth proportional to 3,977.91, 5,967.07 and 2,419.61 is: 3,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.91 : 5,967.07 = 2,419.61 : x
  2. Step 2: Convert to fraction form
    3,977.91/5,967.07 = 2,419.61/x
  3. Step 3: Cross multiply
    3,977.91x = 5,967.07 × 2,419.61
  4. Step 4: Simplify right side
    3,977.91x = 14,437,946.36
  5. Step 5: Solve for x
    x = 14,437,946.36/3,977.91
  6. Step 6: Final answer
    x = 3,629.53

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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.