Home / 2,942.98-4,061.11-1,616.77

Finding the Fourth Proportional to 2,942.98, 4,061.11 and 1,616.77

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Solution

The fourth proportional to 2,942.98, 4,061.11 and 1,616.77 is: 2,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.98 : 4,061.11 = 1,616.77 : x
  2. Step 2: Convert to fraction form
    2,942.98/4,061.11 = 1,616.77/x
  3. Step 3: Cross multiply
    2,942.98x = 4,061.11 × 1,616.77
  4. Step 4: Simplify right side
    2,942.98x = 6,565,880.81
  5. Step 5: Solve for x
    x = 6,565,880.81/2,942.98
  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.