Home / 2,769.00-4,167.44-2,079.28

Finding the Fourth Proportional to 2,769.00, 4,167.44 and 2,079.28

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Solution

The fourth proportional to 2,769.00, 4,167.44 and 2,079.28 is: 3,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.00 : 4,167.44 = 2,079.28 : x
  2. Step 2: Convert to fraction form
    2,769.00/4,167.44 = 2,079.28/x
  3. Step 3: Cross multiply
    2,769.00x = 4,167.44 × 2,079.28
  4. Step 4: Simplify right side
    2,769.00x = 8,665,271.41
  5. Step 5: Solve for x
    x = 8,665,271.41/2,769.00
  6. Step 6: Final answer
    x = 3,129.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.