Home / 3,215.19-4,819.34-2,104.19

Finding the Fourth Proportional to 3,215.19, 4,819.34 and 2,104.19

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Solution

The fourth proportional to 3,215.19, 4,819.34 and 2,104.19 is: 3,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.19 : 4,819.34 = 2,104.19 : x
  2. Step 2: Convert to fraction form
    3,215.19/4,819.34 = 2,104.19/x
  3. Step 3: Cross multiply
    3,215.19x = 4,819.34 × 2,104.19
  4. Step 4: Simplify right side
    3,215.19x = 10,140,772.42
  5. Step 5: Solve for x
    x = 10,140,772.42/3,215.19
  6. Step 6: Final answer
    x = 3,154.02

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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.