Home / 4,150.98-6,226.20-1,686

Finding the Fourth Proportional to 4,150.98, 6,226.20 and 1,686

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Solution

The fourth proportional to 4,150.98, 6,226.20 and 1,686 is: 2,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.98 : 6,226.20 = 1,686 : x
  2. Step 2: Convert to fraction form
    4,150.98/6,226.20 = 1,686/x
  3. Step 3: Cross multiply
    4,150.98x = 6,226.20 × 1,686
  4. Step 4: Simplify right side
    4,150.98x = 10,497,373.20
  5. Step 5: Solve for x
    x = 10,497,373.20/4,150.98
  6. Step 6: Final answer
    x = 2,528.89

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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.