Home / 1,829.90-2,737.99-1,086.79

Finding the Fourth Proportional to 1,829.90, 2,737.99 and 1,086.79

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Solution

The fourth proportional to 1,829.90, 2,737.99 and 1,086.79 is: 1,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.90 : 2,737.99 = 1,086.79 : x
  2. Step 2: Convert to fraction form
    1,829.90/2,737.99 = 1,086.79/x
  3. Step 3: Cross multiply
    1,829.90x = 2,737.99 × 1,086.79
  4. Step 4: Simplify right side
    1,829.90x = 2,975,620.15
  5. Step 5: Solve for x
    x = 2,975,620.15/1,829.90
  6. Step 6: Final answer
    x = 1,626.11

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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.