Home / 2,108.10-2,906.46-1,360.74

Finding the Fourth Proportional to 2,108.10, 2,906.46 and 1,360.74

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Solution

The fourth proportional to 2,108.10, 2,906.46 and 1,360.74 is: 1,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.10 : 2,906.46 = 1,360.74 : x
  2. Step 2: Convert to fraction form
    2,108.10/2,906.46 = 1,360.74/x
  3. Step 3: Cross multiply
    2,108.10x = 2,906.46 × 1,360.74
  4. Step 4: Simplify right side
    2,108.10x = 3,954,936.38
  5. Step 5: Solve for x
    x = 3,954,936.38/2,108.10
  6. Step 6: Final answer
    x = 1,876.07

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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.