Home / 2,723.10-4,089.45-2,108.30

Finding the Fourth Proportional to 2,723.10, 4,089.45 and 2,108.30

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Solution

The fourth proportional to 2,723.10, 4,089.45 and 2,108.30 is: 3,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.10 : 4,089.45 = 2,108.30 : x
  2. Step 2: Convert to fraction form
    2,723.10/4,089.45 = 2,108.30/x
  3. Step 3: Cross multiply
    2,723.10x = 4,089.45 × 2,108.30
  4. Step 4: Simplify right side
    2,723.10x = 8,621,787.44
  5. Step 5: Solve for x
    x = 8,621,787.44/2,723.10
  6. Step 6: Final answer
    x = 3,166.17

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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.