Home / 3,102.13-4,281-1,704.88

Finding the Fourth Proportional to 3,102.13, 4,281 and 1,704.88

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Solution

The fourth proportional to 3,102.13, 4,281 and 1,704.88 is: 2,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.13 : 4,281 = 1,704.88 : x
  2. Step 2: Convert to fraction form
    3,102.13/4,281 = 1,704.88/x
  3. Step 3: Cross multiply
    3,102.13x = 4,281 × 1,704.88
  4. Step 4: Simplify right side
    3,102.13x = 7,298,569.88
  5. Step 5: Solve for x
    x = 7,298,569.88/3,102.13
  6. Step 6: Final answer
    x = 2,352.76

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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.