Home / 1,355.91-2,022.41-1,314.89

Finding the Fourth Proportional to 1,355.91, 2,022.41 and 1,314.89

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Solution

The fourth proportional to 1,355.91, 2,022.41 and 1,314.89 is: 1,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.91 : 2,022.41 = 1,314.89 : x
  2. Step 2: Convert to fraction form
    1,355.91/2,022.41 = 1,314.89/x
  3. Step 3: Cross multiply
    1,355.91x = 2,022.41 × 1,314.89
  4. Step 4: Simplify right side
    1,355.91x = 2,659,246.68
  5. Step 5: Solve for x
    x = 2,659,246.68/1,355.91
  6. Step 6: Final answer
    x = 1,961.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.