Home / 3,905.05-5,391.19-2,582.59

Finding the Fourth Proportional to 3,905.05, 5,391.19 and 2,582.59

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Solution

The fourth proportional to 3,905.05, 5,391.19 and 2,582.59 is: 3,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.05 : 5,391.19 = 2,582.59 : x
  2. Step 2: Convert to fraction form
    3,905.05/5,391.19 = 2,582.59/x
  3. Step 3: Cross multiply
    3,905.05x = 5,391.19 × 2,582.59
  4. Step 4: Simplify right side
    3,905.05x = 13,923,206.43
  5. Step 5: Solve for x
    x = 13,923,206.43/3,905.05
  6. Step 6: Final answer
    x = 3,565.44

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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.