Home / 3,116.64-4,300.92-1,719.39

Finding the Fourth Proportional to 3,116.64, 4,300.92 and 1,719.39

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Solution

The fourth proportional to 3,116.64, 4,300.92 and 1,719.39 is: 2,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.64 : 4,300.92 = 1,719.39 : x
  2. Step 2: Convert to fraction form
    3,116.64/4,300.92 = 1,719.39/x
  3. Step 3: Cross multiply
    3,116.64x = 4,300.92 × 1,719.39
  4. Step 4: Simplify right side
    3,116.64x = 7,394,958.84
  5. Step 5: Solve for x
    x = 7,394,958.84/3,116.64
  6. Step 6: Final answer
    x = 2,372.73

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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.