Home / 2,313.62-3,192.77-1,265.69

Finding the Fourth Proportional to 2,313.62, 3,192.77 and 1,265.69

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Solution

The fourth proportional to 2,313.62, 3,192.77 and 1,265.69 is: 1,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.62 : 3,192.77 = 1,265.69 : x
  2. Step 2: Convert to fraction form
    2,313.62/3,192.77 = 1,265.69/x
  3. Step 3: Cross multiply
    2,313.62x = 3,192.77 × 1,265.69
  4. Step 4: Simplify right side
    2,313.62x = 4,041,034.77
  5. Step 5: Solve for x
    x = 4,041,034.77/2,313.62
  6. Step 6: Final answer
    x = 1,746.63

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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.