Home / 3,163.32-4,363.56-1,983.96

Finding the Fourth Proportional to 3,163.32, 4,363.56 and 1,983.96

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Solution

The fourth proportional to 3,163.32, 4,363.56 and 1,983.96 is: 2,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.32 : 4,363.56 = 1,983.96 : x
  2. Step 2: Convert to fraction form
    3,163.32/4,363.56 = 1,983.96/x
  3. Step 3: Cross multiply
    3,163.32x = 4,363.56 × 1,983.96
  4. Step 4: Simplify right side
    3,163.32x = 8,657,128.50
  5. Step 5: Solve for x
    x = 8,657,128.50/3,163.32
  6. Step 6: Final answer
    x = 2,736.72

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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.