Home / 2,942.82-4,061.13-1,616.67

Finding the Fourth Proportional to 2,942.82, 4,061.13 and 1,616.67

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Solution

The fourth proportional to 2,942.82, 4,061.13 and 1,616.67 is: 2,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.82 : 4,061.13 = 1,616.67 : x
  2. Step 2: Convert to fraction form
    2,942.82/4,061.13 = 1,616.67/x
  3. Step 3: Cross multiply
    2,942.82x = 4,061.13 × 1,616.67
  4. Step 4: Simplify right side
    2,942.82x = 6,565,507.04
  5. Step 5: Solve for x
    x = 6,565,507.04/2,942.82
  6. Step 6: Final answer
    x = 2,231.03

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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.