Home / 3,275.37-4,915.43-2,455.85

Finding the Fourth Proportional to 3,275.37, 4,915.43 and 2,455.85

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Solution

The fourth proportional to 3,275.37, 4,915.43 and 2,455.85 is: 3,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.37 : 4,915.43 = 2,455.85 : x
  2. Step 2: Convert to fraction form
    3,275.37/4,915.43 = 2,455.85/x
  3. Step 3: Cross multiply
    3,275.37x = 4,915.43 × 2,455.85
  4. Step 4: Simplify right side
    3,275.37x = 12,071,581.80
  5. Step 5: Solve for x
    x = 12,071,581.80/3,275.37
  6. Step 6: Final answer
    x = 3,685.56

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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.