Home / 3,678.33-5,517.46-1,487.02

Finding the Fourth Proportional to 3,678.33, 5,517.46 and 1,487.02

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Solution

The fourth proportional to 3,678.33, 5,517.46 and 1,487.02 is: 2,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.33 : 5,517.46 = 1,487.02 : x
  2. Step 2: Convert to fraction form
    3,678.33/5,517.46 = 1,487.02/x
  3. Step 3: Cross multiply
    3,678.33x = 5,517.46 × 1,487.02
  4. Step 4: Simplify right side
    3,678.33x = 8,204,573.37
  5. Step 5: Solve for x
    x = 8,204,573.37/3,678.33
  6. Step 6: Final answer
    x = 2,230.52

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1.5x scale

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.