Home / 1,778.59-2,664.24-1,191.79

Finding the Fourth Proportional to 1,778.59, 2,664.24 and 1,191.79

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Solution

The fourth proportional to 1,778.59, 2,664.24 and 1,191.79 is: 1,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.59 : 2,664.24 = 1,191.79 : x
  2. Step 2: Convert to fraction form
    1,778.59/2,664.24 = 1,191.79/x
  3. Step 3: Cross multiply
    1,778.59x = 2,664.24 × 1,191.79
  4. Step 4: Simplify right side
    1,778.59x = 3,175,214.59
  5. Step 5: Solve for x
    x = 3,175,214.59/1,778.59
  6. Step 6: Final answer
    x = 1,785.24

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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.