Home / 2,195.98-3,026.37-1,800.70

Finding the Fourth Proportional to 2,195.98, 3,026.37 and 1,800.70

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Solution

The fourth proportional to 2,195.98, 3,026.37 and 1,800.70 is: 2,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.98 : 3,026.37 = 1,800.70 : x
  2. Step 2: Convert to fraction form
    2,195.98/3,026.37 = 1,800.70/x
  3. Step 3: Cross multiply
    2,195.98x = 3,026.37 × 1,800.70
  4. Step 4: Simplify right side
    2,195.98x = 5,449,584.46
  5. Step 5: Solve for x
    x = 5,449,584.46/2,195.98
  6. Step 6: Final answer
    x = 2,481.62

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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.