Home / 2,146.80-2,961.54-1,360.29

Finding the Fourth Proportional to 2,146.80, 2,961.54 and 1,360.29

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Solution

The fourth proportional to 2,146.80, 2,961.54 and 1,360.29 is: 1,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.80 : 2,961.54 = 1,360.29 : x
  2. Step 2: Convert to fraction form
    2,146.80/2,961.54 = 1,360.29/x
  3. Step 3: Cross multiply
    2,146.80x = 2,961.54 × 1,360.29
  4. Step 4: Simplify right side
    2,146.80x = 4,028,553.25
  5. Step 5: Solve for x
    x = 4,028,553.25/2,146.80
  6. Step 6: Final answer
    x = 1,876.54

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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.