Home / 2,371.46-3,272.57-1,309.33

Finding the Fourth Proportional to 2,371.46, 3,272.57 and 1,309.33

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Solution

The fourth proportional to 2,371.46, 3,272.57 and 1,309.33 is: 1,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.46 : 3,272.57 = 1,309.33 : x
  2. Step 2: Convert to fraction form
    2,371.46/3,272.57 = 1,309.33/x
  3. Step 3: Cross multiply
    2,371.46x = 3,272.57 × 1,309.33
  4. Step 4: Simplify right side
    2,371.46x = 4,284,874.08
  5. Step 5: Solve for x
    x = 4,284,874.08/2,371.46
  6. Step 6: Final answer
    x = 1,806.85

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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.