Home / 3,342.47-4,612.12-1,906.85

Finding the Fourth Proportional to 3,342.47, 4,612.12 and 1,906.85

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Solution

The fourth proportional to 3,342.47, 4,612.12 and 1,906.85 is: 2,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.47 : 4,612.12 = 1,906.85 : x
  2. Step 2: Convert to fraction form
    3,342.47/4,612.12 = 1,906.85/x
  3. Step 3: Cross multiply
    3,342.47x = 4,612.12 × 1,906.85
  4. Step 4: Simplify right side
    3,342.47x = 8,794,611.79
  5. Step 5: Solve for x
    x = 8,794,611.79/3,342.47
  6. Step 6: Final answer
    x = 2,631.18

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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.