Home / 2,309.55-3,187.17-1,301.17

Finding the Fourth Proportional to 2,309.55, 3,187.17 and 1,301.17

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Solution

The fourth proportional to 2,309.55, 3,187.17 and 1,301.17 is: 1,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.55 : 3,187.17 = 1,301.17 : x
  2. Step 2: Convert to fraction form
    2,309.55/3,187.17 = 1,301.17/x
  3. Step 3: Cross multiply
    2,309.55x = 3,187.17 × 1,301.17
  4. Step 4: Simplify right side
    2,309.55x = 4,147,049.99
  5. Step 5: Solve for x
    x = 4,147,049.99/2,309.55
  6. Step 6: Final answer
    x = 1,795.61

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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.