Home / 2,823.60-4,227.03-2,096.40

Finding the Fourth Proportional to 2,823.60, 4,227.03 and 2,096.40

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Solution

The fourth proportional to 2,823.60, 4,227.03 and 2,096.40 is: 3,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.60 : 4,227.03 = 2,096.40 : x
  2. Step 2: Convert to fraction form
    2,823.60/4,227.03 = 2,096.40/x
  3. Step 3: Cross multiply
    2,823.60x = 4,227.03 × 2,096.40
  4. Step 4: Simplify right side
    2,823.60x = 8,861,545.69
  5. Step 5: Solve for x
    x = 8,861,545.69/2,823.60
  6. Step 6: Final answer
    x = 3,138.39

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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.