Home / 3,863.04-5,330.88-2,819.52

Finding the Fourth Proportional to 3,863.04, 5,330.88 and 2,819.52

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Solution

The fourth proportional to 3,863.04, 5,330.88 and 2,819.52 is: 3,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.04 : 5,330.88 = 2,819.52 : x
  2. Step 2: Convert to fraction form
    3,863.04/5,330.88 = 2,819.52/x
  3. Step 3: Cross multiply
    3,863.04x = 5,330.88 × 2,819.52
  4. Step 4: Simplify right side
    3,863.04x = 15,030,522.78
  5. Step 5: Solve for x
    x = 15,030,522.78/3,863.04
  6. Step 6: Final answer
    x = 3,890.85

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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.