Home / 3,072.05-4,245.16-2,617.56

Finding the Fourth Proportional to 3,072.05, 4,245.16 and 2,617.56

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Solution

The fourth proportional to 3,072.05, 4,245.16 and 2,617.56 is: 3,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.05 : 4,245.16 = 2,617.56 : x
  2. Step 2: Convert to fraction form
    3,072.05/4,245.16 = 2,617.56/x
  3. Step 3: Cross multiply
    3,072.05x = 4,245.16 × 2,617.56
  4. Step 4: Simplify right side
    3,072.05x = 11,111,954.47
  5. Step 5: Solve for x
    x = 11,111,954.47/3,072.05
  6. Step 6: Final answer
    x = 3,617.12

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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.