Home / 3,908.80-5,391.93-2,582.02

Finding the Fourth Proportional to 3,908.80, 5,391.93 and 2,582.02

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Solution

The fourth proportional to 3,908.80, 5,391.93 and 2,582.02 is: 3,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.80 : 5,391.93 = 2,582.02 : x
  2. Step 2: Convert to fraction form
    3,908.80/5,391.93 = 2,582.02/x
  3. Step 3: Cross multiply
    3,908.80x = 5,391.93 × 2,582.02
  4. Step 4: Simplify right side
    3,908.80x = 13,922,071.10
  5. Step 5: Solve for x
    x = 13,922,071.10/3,908.80
  6. Step 6: Final answer
    x = 3,561.73

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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.