Home / 3,395.56-5,089.88-1,912.60

Finding the Fourth Proportional to 3,395.56, 5,089.88 and 1,912.60

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Solution

The fourth proportional to 3,395.56, 5,089.88 and 1,912.60 is: 2,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.56 : 5,089.88 = 1,912.60 : x
  2. Step 2: Convert to fraction form
    3,395.56/5,089.88 = 1,912.60/x
  3. Step 3: Cross multiply
    3,395.56x = 5,089.88 × 1,912.60
  4. Step 4: Simplify right side
    3,395.56x = 9,734,904.49
  5. Step 5: Solve for x
    x = 9,734,904.49/3,395.56
  6. Step 6: Final answer
    x = 2,866.95

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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.