Home / 3,466.20-4,777.89-3,180.18

Finding the Fourth Proportional to 3,466.20, 4,777.89 and 3,180.18

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Solution

The fourth proportional to 3,466.20, 4,777.89 and 3,180.18 is: 4,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.20 : 4,777.89 = 3,180.18 : x
  2. Step 2: Convert to fraction form
    3,466.20/4,777.89 = 3,180.18/x
  3. Step 3: Cross multiply
    3,466.20x = 4,777.89 × 3,180.18
  4. Step 4: Simplify right side
    3,466.20x = 15,194,550.22
  5. Step 5: Solve for x
    x = 15,194,550.22/3,466.20
  6. Step 6: Final answer
    x = 4,383.63

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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.