Home / 3,101.13-4,643.42-2,609.06

Finding the Fourth Proportional to 3,101.13, 4,643.42 and 2,609.06

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Solution

The fourth proportional to 3,101.13, 4,643.42 and 2,609.06 is: 3,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.13 : 4,643.42 = 2,609.06 : x
  2. Step 2: Convert to fraction form
    3,101.13/4,643.42 = 2,609.06/x
  3. Step 3: Cross multiply
    3,101.13x = 4,643.42 × 2,609.06
  4. Step 4: Simplify right side
    3,101.13x = 12,114,925.12
  5. Step 5: Solve for x
    x = 12,114,925.12/3,101.13
  6. Step 6: Final answer
    x = 3,906.62

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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.