Home / 3,977.04-5,963.76-2,127.84

Finding the Fourth Proportional to 3,977.04, 5,963.76 and 2,127.84

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Solution

The fourth proportional to 3,977.04, 5,963.76 and 2,127.84 is: 3,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.04 : 5,963.76 = 2,127.84 : x
  2. Step 2: Convert to fraction form
    3,977.04/5,963.76 = 2,127.84/x
  3. Step 3: Cross multiply
    3,977.04x = 5,963.76 × 2,127.84
  4. Step 4: Simplify right side
    3,977.04x = 12,689,927.08
  5. Step 5: Solve for x
    x = 12,689,927.08/3,977.04
  6. Step 6: Final answer
    x = 3,190.80

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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.