Home / 3,399.87-4,690.47-2,071.27

Finding the Fourth Proportional to 3,399.87, 4,690.47 and 2,071.27

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Solution

The fourth proportional to 3,399.87, 4,690.47 and 2,071.27 is: 2,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.87 : 4,690.47 = 2,071.27 : x
  2. Step 2: Convert to fraction form
    3,399.87/4,690.47 = 2,071.27/x
  3. Step 3: Cross multiply
    3,399.87x = 4,690.47 × 2,071.27
  4. Step 4: Simplify right side
    3,399.87x = 9,715,229.80
  5. Step 5: Solve for x
    x = 9,715,229.80/3,399.87
  6. Step 6: Final answer
    x = 2,857.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.