Home / 2,742.11-4,107.26-1,568.81

Finding the Fourth Proportional to 2,742.11, 4,107.26 and 1,568.81

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Solution

The fourth proportional to 2,742.11, 4,107.26 and 1,568.81 is: 2,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.11 : 4,107.26 = 1,568.81 : x
  2. Step 2: Convert to fraction form
    2,742.11/4,107.26 = 1,568.81/x
  3. Step 3: Cross multiply
    2,742.11x = 4,107.26 × 1,568.81
  4. Step 4: Simplify right side
    2,742.11x = 6,443,512.98
  5. Step 5: Solve for x
    x = 6,443,512.98/2,742.11
  6. Step 6: Final answer
    x = 2,349.84

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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.