Home / 3,392.16-5,089.32-2,005.20

Finding the Fourth Proportional to 3,392.16, 5,089.32 and 2,005.20

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Solution

The fourth proportional to 3,392.16, 5,089.32 and 2,005.20 is: 3,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.16 : 5,089.32 = 2,005.20 : x
  2. Step 2: Convert to fraction form
    3,392.16/5,089.32 = 2,005.20/x
  3. Step 3: Cross multiply
    3,392.16x = 5,089.32 × 2,005.20
  4. Step 4: Simplify right side
    3,392.16x = 10,205,104.46
  5. Step 5: Solve for x
    x = 10,205,104.46/3,392.16
  6. Step 6: Final answer
    x = 3,008.44

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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.