Home / 2,146.06-2,961.66-1,679.50

Finding the Fourth Proportional to 2,146.06, 2,961.66 and 1,679.50

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Solution

The fourth proportional to 2,146.06, 2,961.66 and 1,679.50 is: 2,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.06 : 2,961.66 = 1,679.50 : x
  2. Step 2: Convert to fraction form
    2,146.06/2,961.66 = 1,679.50/x
  3. Step 3: Cross multiply
    2,146.06x = 2,961.66 × 1,679.50
  4. Step 4: Simplify right side
    2,146.06x = 4,974,107.97
  5. Step 5: Solve for x
    x = 4,974,107.97/2,146.06
  6. Step 6: Final answer
    x = 2,317.79

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1.5x scale

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.