Home / 2,138.04-3,204.63-2,089.44

Finding the Fourth Proportional to 2,138.04, 3,204.63 and 2,089.44

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Solution

The fourth proportional to 2,138.04, 3,204.63 and 2,089.44 is: 3,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.04 : 3,204.63 = 2,089.44 : x
  2. Step 2: Convert to fraction form
    2,138.04/3,204.63 = 2,089.44/x
  3. Step 3: Cross multiply
    2,138.04x = 3,204.63 × 2,089.44
  4. Step 4: Simplify right side
    2,138.04x = 6,695,882.11
  5. Step 5: Solve for x
    x = 6,695,882.11/2,138.04
  6. Step 6: Final answer
    x = 3,131.79

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1.5x scale

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.