Home / 3,228.15-4,837.61-1,838.62

Finding the Fourth Proportional to 3,228.15, 4,837.61 and 1,838.62

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Solution

The fourth proportional to 3,228.15, 4,837.61 and 1,838.62 is: 2,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.15 : 4,837.61 = 1,838.62 : x
  2. Step 2: Convert to fraction form
    3,228.15/4,837.61 = 1,838.62/x
  3. Step 3: Cross multiply
    3,228.15x = 4,837.61 × 1,838.62
  4. Step 4: Simplify right side
    3,228.15x = 8,894,512.11
  5. Step 5: Solve for x
    x = 8,894,512.11/3,228.15
  6. Step 6: Final answer
    x = 2,755.30

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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.