Home / 3,167.90-4,754.55-1,415.60

Finding the Fourth Proportional to 3,167.90, 4,754.55 and 1,415.60

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Solution

The fourth proportional to 3,167.90, 4,754.55 and 1,415.60 is: 2,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.90 : 4,754.55 = 1,415.60 : x
  2. Step 2: Convert to fraction form
    3,167.90/4,754.55 = 1,415.60/x
  3. Step 3: Cross multiply
    3,167.90x = 4,754.55 × 1,415.60
  4. Step 4: Simplify right side
    3,167.90x = 6,730,540.98
  5. Step 5: Solve for x
    x = 6,730,540.98/3,167.90
  6. Step 6: Final answer
    x = 2,124.61

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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.