Home / 3,220.08-4,819.18-2,492.90

Finding the Fourth Proportional to 3,220.08, 4,819.18 and 2,492.90

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Solution

The fourth proportional to 3,220.08, 4,819.18 and 2,492.90 is: 3,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.08 : 4,819.18 = 2,492.90 : x
  2. Step 2: Convert to fraction form
    3,220.08/4,819.18 = 2,492.90/x
  3. Step 3: Cross multiply
    3,220.08x = 4,819.18 × 2,492.90
  4. Step 4: Simplify right side
    3,220.08x = 12,013,733.82
  5. Step 5: Solve for x
    x = 12,013,733.82/3,220.08
  6. Step 6: Final answer
    x = 3,730.88

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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.