Home / 3,083.90-4,626.66-892.80

Finding the Fourth Proportional to 3,083.90, 4,626.66 and 892.80

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Solution

The fourth proportional to 3,083.90, 4,626.66 and 892.80 is: 1,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.90 : 4,626.66 = 892.80 : x
  2. Step 2: Convert to fraction form
    3,083.90/4,626.66 = 892.80/x
  3. Step 3: Cross multiply
    3,083.90x = 4,626.66 × 892.80
  4. Step 4: Simplify right side
    3,083.90x = 4,130,682.05
  5. Step 5: Solve for x
    x = 4,130,682.05/3,083.90
  6. Step 6: Final answer
    x = 1,339.43

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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.