Home / 1,908.87-2,633.22-1,349.37

Finding the Fourth Proportional to 1,908.87, 2,633.22 and 1,349.37

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Solution

The fourth proportional to 1,908.87, 2,633.22 and 1,349.37 is: 1,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.87 : 2,633.22 = 1,349.37 : x
  2. Step 2: Convert to fraction form
    1,908.87/2,633.22 = 1,349.37/x
  3. Step 3: Cross multiply
    1,908.87x = 2,633.22 × 1,349.37
  4. Step 4: Simplify right side
    1,908.87x = 3,553,188.07
  5. Step 5: Solve for x
    x = 3,553,188.07/1,908.87
  6. Step 6: Final answer
    x = 1,861.41

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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.