Home / 4,146.19-6,217.14-1,680.34

Finding the Fourth Proportional to 4,146.19, 6,217.14 and 1,680.34

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Solution

The fourth proportional to 4,146.19, 6,217.14 and 1,680.34 is: 2,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.19 : 6,217.14 = 1,680.34 : x
  2. Step 2: Convert to fraction form
    4,146.19/6,217.14 = 1,680.34/x
  3. Step 3: Cross multiply
    4,146.19x = 6,217.14 × 1,680.34
  4. Step 4: Simplify right side
    4,146.19x = 10,446,909.03
  5. Step 5: Solve for x
    x = 10,446,909.03/4,146.19
  6. Step 6: Final answer
    x = 2,519.64

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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.