Home / 1,990.35-2,744.82-1,350.99

Finding the Fourth Proportional to 1,990.35, 2,744.82 and 1,350.99

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Solution

The fourth proportional to 1,990.35, 2,744.82 and 1,350.99 is: 1,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990.35 : 2,744.82 = 1,350.99 : x
  2. Step 2: Convert to fraction form
    1,990.35/2,744.82 = 1,350.99/x
  3. Step 3: Cross multiply
    1,990.35x = 2,744.82 × 1,350.99
  4. Step 4: Simplify right side
    1,990.35x = 3,708,224.37
  5. Step 5: Solve for x
    x = 3,708,224.37/1,990.35
  6. Step 6: Final answer
    x = 1,863.10

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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.