Home / 1,190.04-1,793.85-1,086.36

Finding the Fourth Proportional to 1,190.04, 1,793.85 and 1,086.36

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Solution

The fourth proportional to 1,190.04, 1,793.85 and 1,086.36 is: 1,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.04 : 1,793.85 = 1,086.36 : x
  2. Step 2: Convert to fraction form
    1,190.04/1,793.85 = 1,086.36/x
  3. Step 3: Cross multiply
    1,190.04x = 1,793.85 × 1,086.36
  4. Step 4: Simplify right side
    1,190.04x = 1,948,766.89
  5. Step 5: Solve for x
    x = 1,948,766.89/1,190.04
  6. Step 6: Final answer
    x = 1,637.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.