Home / 3,583.80-5,375.94-1,118.70

Finding the Fourth Proportional to 3,583.80, 5,375.94 and 1,118.70

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Solution

The fourth proportional to 3,583.80, 5,375.94 and 1,118.70 is: 1,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.80 : 5,375.94 = 1,118.70 : x
  2. Step 2: Convert to fraction form
    3,583.80/5,375.94 = 1,118.70/x
  3. Step 3: Cross multiply
    3,583.80x = 5,375.94 × 1,118.70
  4. Step 4: Simplify right side
    3,583.80x = 6,014,064.08
  5. Step 5: Solve for x
    x = 6,014,064.08/3,583.80
  6. Step 6: Final answer
    x = 1,678.12

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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.