Home / 3,606.11-4,975.76-2,278.88

Finding the Fourth Proportional to 3,606.11, 4,975.76 and 2,278.88

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Solution

The fourth proportional to 3,606.11, 4,975.76 and 2,278.88 is: 3,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.11 : 4,975.76 = 2,278.88 : x
  2. Step 2: Convert to fraction form
    3,606.11/4,975.76 = 2,278.88/x
  3. Step 3: Cross multiply
    3,606.11x = 4,975.76 × 2,278.88
  4. Step 4: Simplify right side
    3,606.11x = 11,339,148.55
  5. Step 5: Solve for x
    x = 11,339,148.55/3,606.11
  6. Step 6: Final answer
    x = 3,144.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.