Home / 3,393.14-5,112.81-2,790.33

Finding the Fourth Proportional to 3,393.14, 5,112.81 and 2,790.33

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Solution

The fourth proportional to 3,393.14, 5,112.81 and 2,790.33 is: 4,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.14 : 5,112.81 = 2,790.33 : x
  2. Step 2: Convert to fraction form
    3,393.14/5,112.81 = 2,790.33/x
  3. Step 3: Cross multiply
    3,393.14x = 5,112.81 × 2,790.33
  4. Step 4: Simplify right side
    3,393.14x = 14,266,427.13
  5. Step 5: Solve for x
    x = 14,266,427.13/3,393.14
  6. Step 6: Final answer
    x = 4,204.50

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1.5x scale

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.