Home / 2,313.71-3,192.91-1,265.77

Finding the Fourth Proportional to 2,313.71, 3,192.91 and 1,265.77

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Solution

The fourth proportional to 2,313.71, 3,192.91 and 1,265.77 is: 1,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.71 : 3,192.91 = 1,265.77 : x
  2. Step 2: Convert to fraction form
    2,313.71/3,192.91 = 1,265.77/x
  3. Step 3: Cross multiply
    2,313.71x = 3,192.91 × 1,265.77
  4. Step 4: Simplify right side
    2,313.71x = 4,041,473.73
  5. Step 5: Solve for x
    x = 4,041,473.73/2,313.71
  6. Step 6: Final answer
    x = 1,746.75

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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.