Home / 2,552.03-3,828.05-820.66

Finding the Fourth Proportional to 2,552.03, 3,828.05 and 820.66

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Solution

The fourth proportional to 2,552.03, 3,828.05 and 820.66 is: 1,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.03 : 3,828.05 = 820.66 : x
  2. Step 2: Convert to fraction form
    2,552.03/3,828.05 = 820.66/x
  3. Step 3: Cross multiply
    2,552.03x = 3,828.05 × 820.66
  4. Step 4: Simplify right side
    2,552.03x = 3,141,515.89
  5. Step 5: Solve for x
    x = 3,141,515.89/2,552.03
  6. Step 6: Final answer
    x = 1,230.99

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Similar ratio
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1.5x scale

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.