Home / 3,756.68-5,183.78-2,077.86

Finding the Fourth Proportional to 3,756.68, 5,183.78 and 2,077.86

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Solution

The fourth proportional to 3,756.68, 5,183.78 and 2,077.86 is: 2,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.68 : 5,183.78 = 2,077.86 : x
  2. Step 2: Convert to fraction form
    3,756.68/5,183.78 = 2,077.86/x
  3. Step 3: Cross multiply
    3,756.68x = 5,183.78 × 2,077.86
  4. Step 4: Simplify right side
    3,756.68x = 10,771,158.72
  5. Step 5: Solve for x
    x = 10,771,158.72/3,756.68
  6. Step 6: Final answer
    x = 2,867.20

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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.