Home / 2,313.60-3,192.76-1,265.66

Finding the Fourth Proportional to 2,313.60, 3,192.76 and 1,265.66

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Solution

The fourth proportional to 2,313.60, 3,192.76 and 1,265.66 is: 1,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.60 : 3,192.76 = 1,265.66 : x
  2. Step 2: Convert to fraction form
    2,313.60/3,192.76 = 1,265.66/x
  3. Step 3: Cross multiply
    2,313.60x = 3,192.76 × 1,265.66
  4. Step 4: Simplify right side
    2,313.60x = 4,040,943.80
  5. Step 5: Solve for x
    x = 4,040,943.80/2,313.60
  6. Step 6: Final answer
    x = 1,746.61

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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.