Home / 2,489.94-3,753.44-2,146.10

Finding the Fourth Proportional to 2,489.94, 3,753.44 and 2,146.10

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Solution

The fourth proportional to 2,489.94, 3,753.44 and 2,146.10 is: 3,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.94 : 3,753.44 = 2,146.10 : x
  2. Step 2: Convert to fraction form
    2,489.94/3,753.44 = 2,146.10/x
  3. Step 3: Cross multiply
    2,489.94x = 3,753.44 × 2,146.10
  4. Step 4: Simplify right side
    2,489.94x = 8,055,236.13
  5. Step 5: Solve for x
    x = 8,055,236.13/2,489.94
  6. Step 6: Final answer
    x = 3,235.11

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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.