Home / 3,220.83-4,444.20-1,961.46

Finding the Fourth Proportional to 3,220.83, 4,444.20 and 1,961.46

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Solution

The fourth proportional to 3,220.83, 4,444.20 and 1,961.46 is: 2,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.83 : 4,444.20 = 1,961.46 : x
  2. Step 2: Convert to fraction form
    3,220.83/4,444.20 = 1,961.46/x
  3. Step 3: Cross multiply
    3,220.83x = 4,444.20 × 1,961.46
  4. Step 4: Simplify right side
    3,220.83x = 8,717,120.53
  5. Step 5: Solve for x
    x = 8,717,120.53/3,220.83
  6. Step 6: Final answer
    x = 2,706.48

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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.