Home / 3,224.68-4,837.24-1,276.88

Finding the Fourth Proportional to 3,224.68, 4,837.24 and 1,276.88

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Solution

The fourth proportional to 3,224.68, 4,837.24 and 1,276.88 is: 1,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.68 : 4,837.24 = 1,276.88 : x
  2. Step 2: Convert to fraction form
    3,224.68/4,837.24 = 1,276.88/x
  3. Step 3: Cross multiply
    3,224.68x = 4,837.24 × 1,276.88
  4. Step 4: Simplify right side
    3,224.68x = 6,176,552.42
  5. Step 5: Solve for x
    x = 6,176,552.42/3,224.68
  6. Step 6: Final answer
    x = 1,915.40

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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.