Home / 3,258.75-4,497.08-1,861.53

Finding the Fourth Proportional to 3,258.75, 4,497.08 and 1,861.53

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Solution

The fourth proportional to 3,258.75, 4,497.08 and 1,861.53 is: 2,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.75 : 4,497.08 = 1,861.53 : x
  2. Step 2: Convert to fraction form
    3,258.75/4,497.08 = 1,861.53/x
  3. Step 3: Cross multiply
    3,258.75x = 4,497.08 × 1,861.53
  4. Step 4: Simplify right side
    3,258.75x = 8,371,440.02
  5. Step 5: Solve for x
    x = 8,371,440.02/3,258.75
  6. Step 6: Final answer
    x = 2,568.91

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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.