Home / 3,119.64-4,305.36-2,372.46

Finding the Fourth Proportional to 3,119.64, 4,305.36 and 2,372.46

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Solution

The fourth proportional to 3,119.64, 4,305.36 and 2,372.46 is: 3,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.64 : 4,305.36 = 2,372.46 : x
  2. Step 2: Convert to fraction form
    3,119.64/4,305.36 = 2,372.46/x
  3. Step 3: Cross multiply
    3,119.64x = 4,305.36 × 2,372.46
  4. Step 4: Simplify right side
    3,119.64x = 10,214,294.39
  5. Step 5: Solve for x
    x = 10,214,294.39/3,119.64
  6. Step 6: Final answer
    x = 3,274.19

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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.