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Finding the Fourth Proportional to 3,492.04, 4,819.22 and 2,311.04

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Solution

The fourth proportional to 3,492.04, 4,819.22 and 2,311.04 is: 3,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.04 : 4,819.22 = 2,311.04 : x
  2. Step 2: Convert to fraction form
    3,492.04/4,819.22 = 2,311.04/x
  3. Step 3: Cross multiply
    3,492.04x = 4,819.22 × 2,311.04
  4. Step 4: Simplify right side
    3,492.04x = 11,137,410.19
  5. Step 5: Solve for x
    x = 11,137,410.19/3,492.04
  6. Step 6: Final answer
    x = 3,189.37

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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.