Home / 1,194.20-1,791.56-414.21

Finding the Fourth Proportional to 1,194.20, 1,791.56 and 414.21

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Solution

The fourth proportional to 1,194.20, 1,791.56 and 414.21 is: 621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.20 : 1,791.56 = 414.21 : x
  2. Step 2: Convert to fraction form
    1,194.20/1,791.56 = 414.21/x
  3. Step 3: Cross multiply
    1,194.20x = 1,791.56 × 414.21
  4. Step 4: Simplify right side
    1,194.20x = 742,083.10
  5. Step 5: Solve for x
    x = 742,083.10/1,194.20
  6. Step 6: Final answer
    x = 621.41

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1.5x scale

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.