Home / 3,977.13-5,966.67-2,809.41

Finding the Fourth Proportional to 3,977.13, 5,966.67 and 2,809.41

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Solution

The fourth proportional to 3,977.13, 5,966.67 and 2,809.41 is: 4,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.13 : 5,966.67 = 2,809.41 : x
  2. Step 2: Convert to fraction form
    3,977.13/5,966.67 = 2,809.41/x
  3. Step 3: Cross multiply
    3,977.13x = 5,966.67 × 2,809.41
  4. Step 4: Simplify right side
    3,977.13x = 16,762,822.36
  5. Step 5: Solve for x
    x = 16,762,822.36/3,977.13
  6. Step 6: Final answer
    x = 4,214.80

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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.