Home / 3,420.96-4,723.12-2,227.04

Finding the Fourth Proportional to 3,420.96, 4,723.12 and 2,227.04

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Solution

The fourth proportional to 3,420.96, 4,723.12 and 2,227.04 is: 3,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.96 : 4,723.12 = 2,227.04 : x
  2. Step 2: Convert to fraction form
    3,420.96/4,723.12 = 2,227.04/x
  3. Step 3: Cross multiply
    3,420.96x = 4,723.12 × 2,227.04
  4. Step 4: Simplify right side
    3,420.96x = 10,518,577.16
  5. Step 5: Solve for x
    x = 10,518,577.16/3,420.96
  6. Step 6: Final answer
    x = 3,074.74

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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.