Home / 2,823.03-3,894.60-2,231.19

Finding the Fourth Proportional to 2,823.03, 3,894.60 and 2,231.19

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Solution

The fourth proportional to 2,823.03, 3,894.60 and 2,231.19 is: 3,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.03 : 3,894.60 = 2,231.19 : x
  2. Step 2: Convert to fraction form
    2,823.03/3,894.60 = 2,231.19/x
  3. Step 3: Cross multiply
    2,823.03x = 3,894.60 × 2,231.19
  4. Step 4: Simplify right side
    2,823.03x = 8,689,592.57
  5. Step 5: Solve for x
    x = 8,689,592.57/2,823.03
  6. Step 6: Final answer
    x = 3,078.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.