Home / 2,616.51-3,923.76-1,055.97

Finding the Fourth Proportional to 2,616.51, 3,923.76 and 1,055.97

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Solution

The fourth proportional to 2,616.51, 3,923.76 and 1,055.97 is: 1,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.51 : 3,923.76 = 1,055.97 : x
  2. Step 2: Convert to fraction form
    2,616.51/3,923.76 = 1,055.97/x
  3. Step 3: Cross multiply
    2,616.51x = 3,923.76 × 1,055.97
  4. Step 4: Simplify right side
    2,616.51x = 4,143,372.85
  5. Step 5: Solve for x
    x = 4,143,372.85/2,616.51
  6. Step 6: Final answer
    x = 1,583.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.