Home / 2,371.32-3,556.97-810.57

Finding the Fourth Proportional to 2,371.32, 3,556.97 and 810.57

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Solution

The fourth proportional to 2,371.32, 3,556.97 and 810.57 is: 1,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.32 : 3,556.97 = 810.57 : x
  2. Step 2: Convert to fraction form
    2,371.32/3,556.97 = 810.57/x
  3. Step 3: Cross multiply
    2,371.32x = 3,556.97 × 810.57
  4. Step 4: Simplify right side
    2,371.32x = 2,883,169.12
  5. Step 5: Solve for x
    x = 2,883,169.12/2,371.32
  6. Step 6: Final answer
    x = 1,215.85

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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.