Home / 2,309.24-3,457.68-1,211.29

Finding the Fourth Proportional to 2,309.24, 3,457.68 and 1,211.29

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Solution

The fourth proportional to 2,309.24, 3,457.68 and 1,211.29 is: 1,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.24 : 3,457.68 = 1,211.29 : x
  2. Step 2: Convert to fraction form
    2,309.24/3,457.68 = 1,211.29/x
  3. Step 3: Cross multiply
    2,309.24x = 3,457.68 × 1,211.29
  4. Step 4: Simplify right side
    2,309.24x = 4,188,235.92
  5. Step 5: Solve for x
    x = 4,188,235.92/2,309.24
  6. Step 6: Final answer
    x = 1,813.69

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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.