Home / 2,993.09-4,489.81-1,261.13

Finding the Fourth Proportional to 2,993.09, 4,489.81 and 1,261.13

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Solution

The fourth proportional to 2,993.09, 4,489.81 and 1,261.13 is: 1,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.09 : 4,489.81 = 1,261.13 : x
  2. Step 2: Convert to fraction form
    2,993.09/4,489.81 = 1,261.13/x
  3. Step 3: Cross multiply
    2,993.09x = 4,489.81 × 1,261.13
  4. Step 4: Simplify right side
    2,993.09x = 5,662,208.48
  5. Step 5: Solve for x
    x = 5,662,208.48/2,993.09
  6. Step 6: Final answer
    x = 1,891.76

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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.