Home / 4,107.92-6,161.40-1,642.64

Finding the Fourth Proportional to 4,107.92, 6,161.40 and 1,642.64

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Solution

The fourth proportional to 4,107.92, 6,161.40 and 1,642.64 is: 2,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.92 : 6,161.40 = 1,642.64 : x
  2. Step 2: Convert to fraction form
    4,107.92/6,161.40 = 1,642.64/x
  3. Step 3: Cross multiply
    4,107.92x = 6,161.40 × 1,642.64
  4. Step 4: Simplify right side
    4,107.92x = 10,120,962.10
  5. Step 5: Solve for x
    x = 10,120,962.10/4,107.92
  6. Step 6: Final answer
    x = 2,463.77

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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.