Home / 2,313.37-3,478.38-2,132.97

Finding the Fourth Proportional to 2,313.37, 3,478.38 and 2,132.97

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Solution

The fourth proportional to 2,313.37, 3,478.38 and 2,132.97 is: 3,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.37 : 3,478.38 = 2,132.97 : x
  2. Step 2: Convert to fraction form
    2,313.37/3,478.38 = 2,132.97/x
  3. Step 3: Cross multiply
    2,313.37x = 3,478.38 × 2,132.97
  4. Step 4: Simplify right side
    2,313.37x = 7,419,280.19
  5. Step 5: Solve for x
    x = 7,419,280.19/2,313.37
  6. Step 6: Final answer
    x = 3,207.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.