Home / 3,880.22-5,354.24-2,285.66

Finding the Fourth Proportional to 3,880.22, 5,354.24 and 2,285.66

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Solution

The fourth proportional to 3,880.22, 5,354.24 and 2,285.66 is: 3,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.22 : 5,354.24 = 2,285.66 : x
  2. Step 2: Convert to fraction form
    3,880.22/5,354.24 = 2,285.66/x
  3. Step 3: Cross multiply
    3,880.22x = 5,354.24 × 2,285.66
  4. Step 4: Simplify right side
    3,880.22x = 12,237,972.20
  5. Step 5: Solve for x
    x = 12,237,972.20/3,880.22
  6. Step 6: Final answer
    x = 3,153.94

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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.