Home / 3,275.84-4,915.26-1,519.71

Finding the Fourth Proportional to 3,275.84, 4,915.26 and 1,519.71

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Solution

The fourth proportional to 3,275.84, 4,915.26 and 1,519.71 is: 2,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.84 : 4,915.26 = 1,519.71 : x
  2. Step 2: Convert to fraction form
    3,275.84/4,915.26 = 1,519.71/x
  3. Step 3: Cross multiply
    3,275.84x = 4,915.26 × 1,519.71
  4. Step 4: Simplify right side
    3,275.84x = 7,469,769.77
  5. Step 5: Solve for x
    x = 7,469,769.77/3,275.84
  6. Step 6: Final answer
    x = 2,280.26

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1.5x scale

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.