Home / 2,122.14-2,940.81-2,083.26

Finding the Fourth Proportional to 2,122.14, 2,940.81 and 2,083.26

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Solution

The fourth proportional to 2,122.14, 2,940.81 and 2,083.26 is: 2,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.14 : 2,940.81 = 2,083.26 : x
  2. Step 2: Convert to fraction form
    2,122.14/2,940.81 = 2,083.26/x
  3. Step 3: Cross multiply
    2,122.14x = 2,940.81 × 2,083.26
  4. Step 4: Simplify right side
    2,122.14x = 6,126,471.84
  5. Step 5: Solve for x
    x = 6,126,471.84/2,122.14
  6. Step 6: Final answer
    x = 2,886.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.