Home / 3,066.15-4,232.59-2,072.78

Finding the Fourth Proportional to 3,066.15, 4,232.59 and 2,072.78

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Solution

The fourth proportional to 3,066.15, 4,232.59 and 2,072.78 is: 2,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.15 : 4,232.59 = 2,072.78 : x
  2. Step 2: Convert to fraction form
    3,066.15/4,232.59 = 2,072.78/x
  3. Step 3: Cross multiply
    3,066.15x = 4,232.59 × 2,072.78
  4. Step 4: Simplify right side
    3,066.15x = 8,773,201.56
  5. Step 5: Solve for x
    x = 8,773,201.56/3,066.15
  6. Step 6: Final answer
    x = 2,861.31

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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.