Home / 3,690.75-5,531.22-2,048.07

Finding the Fourth Proportional to 3,690.75, 5,531.22 and 2,048.07

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Solution

The fourth proportional to 3,690.75, 5,531.22 and 2,048.07 is: 3,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.75 : 5,531.22 = 2,048.07 : x
  2. Step 2: Convert to fraction form
    3,690.75/5,531.22 = 2,048.07/x
  3. Step 3: Cross multiply
    3,690.75x = 5,531.22 × 2,048.07
  4. Step 4: Simplify right side
    3,690.75x = 11,328,325.75
  5. Step 5: Solve for x
    x = 11,328,325.75/3,690.75
  6. Step 6: Final answer
    x = 3,069.38

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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.