Home / 2,824.26-4,228.89-1,521.78

Finding the Fourth Proportional to 2,824.26, 4,228.89 and 1,521.78

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Solution

The fourth proportional to 2,824.26, 4,228.89 and 1,521.78 is: 2,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.26 : 4,228.89 = 1,521.78 : x
  2. Step 2: Convert to fraction form
    2,824.26/4,228.89 = 1,521.78/x
  3. Step 3: Cross multiply
    2,824.26x = 4,228.89 × 1,521.78
  4. Step 4: Simplify right side
    2,824.26x = 6,435,440.22
  5. Step 5: Solve for x
    x = 6,435,440.22/2,824.26
  6. Step 6: Final answer
    x = 2,278.63

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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.