Home / 2,313.27-3,192.36-1,265.34

Finding the Fourth Proportional to 2,313.27, 3,192.36 and 1,265.34

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Solution

The fourth proportional to 2,313.27, 3,192.36 and 1,265.34 is: 1,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.27 : 3,192.36 = 1,265.34 : x
  2. Step 2: Convert to fraction form
    2,313.27/3,192.36 = 1,265.34/x
  3. Step 3: Cross multiply
    2,313.27x = 3,192.36 × 1,265.34
  4. Step 4: Simplify right side
    2,313.27x = 4,039,420.80
  5. Step 5: Solve for x
    x = 4,039,420.80/2,313.27
  6. Step 6: Final answer
    x = 1,746.20

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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.