Home / 3,220.32-4,442.94-1,893.96

Finding the Fourth Proportional to 3,220.32, 4,442.94 and 1,893.96

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Solution

The fourth proportional to 3,220.32, 4,442.94 and 1,893.96 is: 2,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.32 : 4,442.94 = 1,893.96 : x
  2. Step 2: Convert to fraction form
    3,220.32/4,442.94 = 1,893.96/x
  3. Step 3: Cross multiply
    3,220.32x = 4,442.94 × 1,893.96
  4. Step 4: Simplify right side
    3,220.32x = 8,414,750.64
  5. Step 5: Solve for x
    x = 8,414,750.64/3,220.32
  6. Step 6: Final answer
    x = 2,613.02

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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.