Home / 3,052.08-4,212-2,005.20

Finding the Fourth Proportional to 3,052.08, 4,212 and 2,005.20

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Solution

The fourth proportional to 3,052.08, 4,212 and 2,005.20 is: 2,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.08 : 4,212 = 2,005.20 : x
  2. Step 2: Convert to fraction form
    3,052.08/4,212 = 2,005.20/x
  3. Step 3: Cross multiply
    3,052.08x = 4,212 × 2,005.20
  4. Step 4: Simplify right side
    3,052.08x = 8,445,902.40
  5. Step 5: Solve for x
    x = 8,445,902.40/3,052.08
  6. Step 6: Final answer
    x = 2,767.26

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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.