Home / 3,186.63-4,777.65-2,144.07

Finding the Fourth Proportional to 3,186.63, 4,777.65 and 2,144.07

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Solution

The fourth proportional to 3,186.63, 4,777.65 and 2,144.07 is: 3,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.63 : 4,777.65 = 2,144.07 : x
  2. Step 2: Convert to fraction form
    3,186.63/4,777.65 = 2,144.07/x
  3. Step 3: Cross multiply
    3,186.63x = 4,777.65 × 2,144.07
  4. Step 4: Simplify right side
    3,186.63x = 10,243,616.04
  5. Step 5: Solve for x
    x = 10,243,616.04/3,186.63
  6. Step 6: Final answer
    x = 3,214.56

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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.