Home / 2,826.33-4,240.13-926.75

Finding the Fourth Proportional to 2,826.33, 4,240.13 and 926.75

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Solution

The fourth proportional to 2,826.33, 4,240.13 and 926.75 is: 1,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.33 : 4,240.13 = 926.75 : x
  2. Step 2: Convert to fraction form
    2,826.33/4,240.13 = 926.75/x
  3. Step 3: Cross multiply
    2,826.33x = 4,240.13 × 926.75
  4. Step 4: Simplify right side
    2,826.33x = 3,929,535.80
  5. Step 5: Solve for x
    x = 3,929,535.80/2,826.33
  6. Step 6: Final answer
    x = 1,390.33

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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.