Home / 3,277.08-4,915.70-1,812.60

Finding the Fourth Proportional to 3,277.08, 4,915.70 and 1,812.60

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Solution

The fourth proportional to 3,277.08, 4,915.70 and 1,812.60 is: 2,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.08 : 4,915.70 = 1,812.60 : x
  2. Step 2: Convert to fraction form
    3,277.08/4,915.70 = 1,812.60/x
  3. Step 3: Cross multiply
    3,277.08x = 4,915.70 × 1,812.60
  4. Step 4: Simplify right side
    3,277.08x = 8,910,197.82
  5. Step 5: Solve for x
    x = 8,910,197.82/3,277.08
  6. Step 6: Final answer
    x = 2,718.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.