Home / 2,794.17-4,190.28-819.26

Finding the Fourth Proportional to 2,794.17, 4,190.28 and 819.26

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Solution

The fourth proportional to 2,794.17, 4,190.28 and 819.26 is: 1,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.17 : 4,190.28 = 819.26 : x
  2. Step 2: Convert to fraction form
    2,794.17/4,190.28 = 819.26/x
  3. Step 3: Cross multiply
    2,794.17x = 4,190.28 × 819.26
  4. Step 4: Simplify right side
    2,794.17x = 3,432,928.79
  5. Step 5: Solve for x
    x = 3,432,928.79/2,794.17
  6. Step 6: Final answer
    x = 1,228.60

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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.