Home / 2,819.32-4,228.98-2,202.10

Finding the Fourth Proportional to 2,819.32, 4,228.98 and 2,202.10

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Solution

The fourth proportional to 2,819.32, 4,228.98 and 2,202.10 is: 3,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.32 : 4,228.98 = 2,202.10 : x
  2. Step 2: Convert to fraction form
    2,819.32/4,228.98 = 2,202.10/x
  3. Step 3: Cross multiply
    2,819.32x = 4,228.98 × 2,202.10
  4. Step 4: Simplify right side
    2,819.32x = 9,312,636.86
  5. Step 5: Solve for x
    x = 9,312,636.86/2,819.32
  6. Step 6: Final answer
    x = 3,303.15

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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.