Home / 2,146.25-3,190.43-2,083.19

Finding the Fourth Proportional to 2,146.25, 3,190.43 and 2,083.19

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Solution

The fourth proportional to 2,146.25, 3,190.43 and 2,083.19 is: 3,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.25 : 3,190.43 = 2,083.19 : x
  2. Step 2: Convert to fraction form
    2,146.25/3,190.43 = 2,083.19/x
  3. Step 3: Cross multiply
    2,146.25x = 3,190.43 × 2,083.19
  4. Step 4: Simplify right side
    2,146.25x = 6,646,285.06
  5. Step 5: Solve for x
    x = 6,646,285.06/2,146.25
  6. Step 6: Final answer
    x = 3,096.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.