Home / 3,977.48-5,966.42-2,002.80

Finding the Fourth Proportional to 3,977.48, 5,966.42 and 2,002.80

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Solution

The fourth proportional to 3,977.48, 5,966.42 and 2,002.80 is: 3,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.48 : 5,966.42 = 2,002.80 : x
  2. Step 2: Convert to fraction form
    3,977.48/5,966.42 = 2,002.80/x
  3. Step 3: Cross multiply
    3,977.48x = 5,966.42 × 2,002.80
  4. Step 4: Simplify right side
    3,977.48x = 11,949,545.98
  5. Step 5: Solve for x
    x = 11,949,545.98/3,977.48
  6. Step 6: Final answer
    x = 3,004.30

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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.