Home / 2,272.50-3,126.33-2,175.30

Finding the Fourth Proportional to 2,272.50, 3,126.33 and 2,175.30

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Solution

The fourth proportional to 2,272.50, 3,126.33 and 2,175.30 is: 2,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.50 : 3,126.33 = 2,175.30 : x
  2. Step 2: Convert to fraction form
    2,272.50/3,126.33 = 2,175.30/x
  3. Step 3: Cross multiply
    2,272.50x = 3,126.33 × 2,175.30
  4. Step 4: Simplify right side
    2,272.50x = 6,800,705.65
  5. Step 5: Solve for x
    x = 6,800,705.65/2,272.50
  6. Step 6: Final answer
    x = 2,992.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.