Home / 2,693.20-4,039.80-1,231.33

Finding the Fourth Proportional to 2,693.20, 4,039.80 and 1,231.33

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Solution

The fourth proportional to 2,693.20, 4,039.80 and 1,231.33 is: 1,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.20 : 4,039.80 = 1,231.33 : x
  2. Step 2: Convert to fraction form
    2,693.20/4,039.80 = 1,231.33/x
  3. Step 3: Cross multiply
    2,693.20x = 4,039.80 × 1,231.33
  4. Step 4: Simplify right side
    2,693.20x = 4,974,326.93
  5. Step 5: Solve for x
    x = 4,974,326.93/2,693.20
  6. Step 6: Final answer
    x = 1,847.00

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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.