Home / 2,371.39-3,556.22-810.97

Finding the Fourth Proportional to 2,371.39, 3,556.22 and 810.97

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Solution

The fourth proportional to 2,371.39, 3,556.22 and 810.97 is: 1,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.39 : 3,556.22 = 810.97 : x
  2. Step 2: Convert to fraction form
    2,371.39/3,556.22 = 810.97/x
  3. Step 3: Cross multiply
    2,371.39x = 3,556.22 × 810.97
  4. Step 4: Simplify right side
    2,371.39x = 2,883,974.79
  5. Step 5: Solve for x
    x = 2,883,974.79/2,371.39
  6. Step 6: Final answer
    x = 1,216.16

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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.