Home / 3,026.12-4,539.20-834.80

Finding the Fourth Proportional to 3,026.12, 4,539.20 and 834.80

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Solution

The fourth proportional to 3,026.12, 4,539.20 and 834.80 is: 1,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.12 : 4,539.20 = 834.80 : x
  2. Step 2: Convert to fraction form
    3,026.12/4,539.20 = 834.80/x
  3. Step 3: Cross multiply
    3,026.12x = 4,539.20 × 834.80
  4. Step 4: Simplify right side
    3,026.12x = 3,789,324.16
  5. Step 5: Solve for x
    x = 3,789,324.16/3,026.12
  6. Step 6: Final answer
    x = 1,252.21

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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.