Home / 3,258.46-4,497.27-1,861.21

Finding the Fourth Proportional to 3,258.46, 4,497.27 and 1,861.21

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Solution

The fourth proportional to 3,258.46, 4,497.27 and 1,861.21 is: 2,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.46 : 4,497.27 = 1,861.21 : x
  2. Step 2: Convert to fraction form
    3,258.46/4,497.27 = 1,861.21/x
  3. Step 3: Cross multiply
    3,258.46x = 4,497.27 × 1,861.21
  4. Step 4: Simplify right side
    3,258.46x = 8,370,363.90
  5. Step 5: Solve for x
    x = 8,370,363.90/3,258.46
  6. Step 6: Final answer
    x = 2,568.81

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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.