Home / 3,776.74-5,661.66-1,310.70

Finding the Fourth Proportional to 3,776.74, 5,661.66 and 1,310.70

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Solution

The fourth proportional to 3,776.74, 5,661.66 and 1,310.70 is: 1,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.74 : 5,661.66 = 1,310.70 : x
  2. Step 2: Convert to fraction form
    3,776.74/5,661.66 = 1,310.70/x
  3. Step 3: Cross multiply
    3,776.74x = 5,661.66 × 1,310.70
  4. Step 4: Simplify right side
    3,776.74x = 7,420,737.76
  5. Step 5: Solve for x
    x = 7,420,737.76/3,776.74
  6. Step 6: Final answer
    x = 1,964.85

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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.