Home / 2,723.36-4,079.10-2,135.30

Finding the Fourth Proportional to 2,723.36, 4,079.10 and 2,135.30

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Solution

The fourth proportional to 2,723.36, 4,079.10 and 2,135.30 is: 3,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.36 : 4,079.10 = 2,135.30 : x
  2. Step 2: Convert to fraction form
    2,723.36/4,079.10 = 2,135.30/x
  3. Step 3: Cross multiply
    2,723.36x = 4,079.10 × 2,135.30
  4. Step 4: Simplify right side
    2,723.36x = 8,710,102.23
  5. Step 5: Solve for x
    x = 8,710,102.23/2,723.36
  6. Step 6: Final answer
    x = 3,198.29

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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.