Home / 2,313.87-3,192.19-1,683.02

Finding the Fourth Proportional to 2,313.87, 3,192.19 and 1,683.02

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Solution

The fourth proportional to 2,313.87, 3,192.19 and 1,683.02 is: 2,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.87 : 3,192.19 = 1,683.02 : x
  2. Step 2: Convert to fraction form
    2,313.87/3,192.19 = 1,683.02/x
  3. Step 3: Cross multiply
    2,313.87x = 3,192.19 × 1,683.02
  4. Step 4: Simplify right side
    2,313.87x = 5,372,519.61
  5. Step 5: Solve for x
    x = 5,372,519.61/2,313.87
  6. Step 6: Final answer
    x = 2,321.88

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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.