Home / 4,001.27-5,521.91-2,408.20

Finding the Fourth Proportional to 4,001.27, 5,521.91 and 2,408.20

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Solution

The fourth proportional to 4,001.27, 5,521.91 and 2,408.20 is: 3,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.27 : 5,521.91 = 2,408.20 : x
  2. Step 2: Convert to fraction form
    4,001.27/5,521.91 = 2,408.20/x
  3. Step 3: Cross multiply
    4,001.27x = 5,521.91 × 2,408.20
  4. Step 4: Simplify right side
    4,001.27x = 13,297,837.82
  5. Step 5: Solve for x
    x = 13,297,837.82/4,001.27
  6. Step 6: Final answer
    x = 3,323.41

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1.5x scale

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.