Home / 3,083.26-4,624.20-891.46

Finding the Fourth Proportional to 3,083.26, 4,624.20 and 891.46

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Solution

The fourth proportional to 3,083.26, 4,624.20 and 891.46 is: 1,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.26 : 4,624.20 = 891.46 : x
  2. Step 2: Convert to fraction form
    3,083.26/4,624.20 = 891.46/x
  3. Step 3: Cross multiply
    3,083.26x = 4,624.20 × 891.46
  4. Step 4: Simplify right side
    3,083.26x = 4,122,289.33
  5. Step 5: Solve for x
    x = 4,122,289.33/3,083.26
  6. Step 6: Final answer
    x = 1,336.99

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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.