Home / 3,586.11-5,377.08-1,392.28

Finding the Fourth Proportional to 3,586.11, 5,377.08 and 1,392.28

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Solution

The fourth proportional to 3,586.11, 5,377.08 and 1,392.28 is: 2,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.11 : 5,377.08 = 1,392.28 : x
  2. Step 2: Convert to fraction form
    3,586.11/5,377.08 = 1,392.28/x
  3. Step 3: Cross multiply
    3,586.11x = 5,377.08 × 1,392.28
  4. Step 4: Simplify right side
    3,586.11x = 7,486,400.94
  5. Step 5: Solve for x
    x = 7,486,400.94/3,586.11
  6. Step 6: Final answer
    x = 2,087.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.