Home / 2,097.09-3,139.56-998.73

Finding the Fourth Proportional to 2,097.09, 3,139.56 and 998.73

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Solution

The fourth proportional to 2,097.09, 3,139.56 and 998.73 is: 1,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.09 : 3,139.56 = 998.73 : x
  2. Step 2: Convert to fraction form
    2,097.09/3,139.56 = 998.73/x
  3. Step 3: Cross multiply
    2,097.09x = 3,139.56 × 998.73
  4. Step 4: Simplify right side
    2,097.09x = 3,135,572.76
  5. Step 5: Solve for x
    x = 3,135,572.76/2,097.09
  6. Step 6: Final answer
    x = 1,495.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.