Home / 2,492.20-3,735.13-1,105.14

Finding the Fourth Proportional to 2,492.20, 3,735.13 and 1,105.14

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Solution

The fourth proportional to 2,492.20, 3,735.13 and 1,105.14 is: 1,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.20 : 3,735.13 = 1,105.14 : x
  2. Step 2: Convert to fraction form
    2,492.20/3,735.13 = 1,105.14/x
  3. Step 3: Cross multiply
    2,492.20x = 3,735.13 × 1,105.14
  4. Step 4: Simplify right side
    2,492.20x = 4,127,841.57
  5. Step 5: Solve for x
    x = 4,127,841.57/2,492.20
  6. Step 6: Final answer
    x = 1,656.30

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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.