Home / 1,229.01-1,847.57-1,138.83

Finding the Fourth Proportional to 1,229.01, 1,847.57 and 1,138.83

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Solution

The fourth proportional to 1,229.01, 1,847.57 and 1,138.83 is: 1,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.01 : 1,847.57 = 1,138.83 : x
  2. Step 2: Convert to fraction form
    1,229.01/1,847.57 = 1,138.83/x
  3. Step 3: Cross multiply
    1,229.01x = 1,847.57 × 1,138.83
  4. Step 4: Simplify right side
    1,229.01x = 2,104,062.45
  5. Step 5: Solve for x
    x = 2,104,062.45/1,229.01
  6. Step 6: Final answer
    x = 1,712.00

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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.