Home / 2,371.17-3,556.76-1,331.19

Finding the Fourth Proportional to 2,371.17, 3,556.76 and 1,331.19

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Solution

The fourth proportional to 2,371.17, 3,556.76 and 1,331.19 is: 1,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.17 : 3,556.76 = 1,331.19 : x
  2. Step 2: Convert to fraction form
    2,371.17/3,556.76 = 1,331.19/x
  3. Step 3: Cross multiply
    2,371.17x = 3,556.76 × 1,331.19
  4. Step 4: Simplify right side
    2,371.17x = 4,734,716.69
  5. Step 5: Solve for x
    x = 4,734,716.69/2,371.17
  6. Step 6: Final answer
    x = 1,996.79

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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.