Home / 2,194.96-3,029-1,310.76

Finding the Fourth Proportional to 2,194.96, 3,029 and 1,310.76

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Solution

The fourth proportional to 2,194.96, 3,029 and 1,310.76 is: 1,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.96 : 3,029 = 1,310.76 : x
  2. Step 2: Convert to fraction form
    2,194.96/3,029 = 1,310.76/x
  3. Step 3: Cross multiply
    2,194.96x = 3,029 × 1,310.76
  4. Step 4: Simplify right side
    2,194.96x = 3,970,292.04
  5. Step 5: Solve for x
    x = 3,970,292.04/2,194.96
  6. Step 6: Final answer
    x = 1,808.82

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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.