Home / 3,066.26-4,234.14-2,278.94

Finding the Fourth Proportional to 3,066.26, 4,234.14 and 2,278.94

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Solution

The fourth proportional to 3,066.26, 4,234.14 and 2,278.94 is: 3,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.26 : 4,234.14 = 2,278.94 : x
  2. Step 2: Convert to fraction form
    3,066.26/4,234.14 = 2,278.94/x
  3. Step 3: Cross multiply
    3,066.26x = 4,234.14 × 2,278.94
  4. Step 4: Simplify right side
    3,066.26x = 9,649,329.84
  5. Step 5: Solve for x
    x = 9,649,329.84/3,066.26
  6. Step 6: Final answer
    x = 3,146.94

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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.