Home / 1,936.10-2,669.28-1,486.64

Finding the Fourth Proportional to 1,936.10, 2,669.28 and 1,486.64

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Solution

The fourth proportional to 1,936.10, 2,669.28 and 1,486.64 is: 2,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.10 : 2,669.28 = 1,486.64 : x
  2. Step 2: Convert to fraction form
    1,936.10/2,669.28 = 1,486.64/x
  3. Step 3: Cross multiply
    1,936.10x = 2,669.28 × 1,486.64
  4. Step 4: Simplify right side
    1,936.10x = 3,968,258.42
  5. Step 5: Solve for x
    x = 3,968,258.42/1,936.10
  6. Step 6: Final answer
    x = 2,049.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.