Home / 3,678.41-5,517.66-2,038.16

Finding the Fourth Proportional to 3,678.41, 5,517.66 and 2,038.16

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Solution

The fourth proportional to 3,678.41, 5,517.66 and 2,038.16 is: 3,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.41 : 5,517.66 = 2,038.16 : x
  2. Step 2: Convert to fraction form
    3,678.41/5,517.66 = 2,038.16/x
  3. Step 3: Cross multiply
    3,678.41x = 5,517.66 × 2,038.16
  4. Step 4: Simplify right side
    3,678.41x = 11,245,846.32
  5. Step 5: Solve for x
    x = 11,245,846.32/3,678.41
  6. Step 6: Final answer
    x = 3,057.26

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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.