Home / 4,261.75-6,392.61-1,664.69

Finding the Fourth Proportional to 4,261.75, 6,392.61 and 1,664.69

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Solution

The fourth proportional to 4,261.75, 6,392.61 and 1,664.69 is: 2,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.75 : 6,392.61 = 1,664.69 : x
  2. Step 2: Convert to fraction form
    4,261.75/6,392.61 = 1,664.69/x
  3. Step 3: Cross multiply
    4,261.75x = 6,392.61 × 1,664.69
  4. Step 4: Simplify right side
    4,261.75x = 10,641,681.98
  5. Step 5: Solve for x
    x = 10,641,681.98/4,261.75
  6. Step 6: Final answer
    x = 2,497.02

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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.