Home / 3,776.76-5,211-2,450.52

Finding the Fourth Proportional to 3,776.76, 5,211 and 2,450.52

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Solution

The fourth proportional to 3,776.76, 5,211 and 2,450.52 is: 3,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.76 : 5,211 = 2,450.52 : x
  2. Step 2: Convert to fraction form
    3,776.76/5,211 = 2,450.52/x
  3. Step 3: Cross multiply
    3,776.76x = 5,211 × 2,450.52
  4. Step 4: Simplify right side
    3,776.76x = 12,769,659.72
  5. Step 5: Solve for x
    x = 12,769,659.72/3,776.76
  6. Step 6: Final answer
    x = 3,381.11

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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.