Home / 3,756.57-5,183.85-2,077.88

Finding the Fourth Proportional to 3,756.57, 5,183.85 and 2,077.88

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Solution

The fourth proportional to 3,756.57, 5,183.85 and 2,077.88 is: 2,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.57 : 5,183.85 = 2,077.88 : x
  2. Step 2: Convert to fraction form
    3,756.57/5,183.85 = 2,077.88/x
  3. Step 3: Cross multiply
    3,756.57x = 5,183.85 × 2,077.88
  4. Step 4: Simplify right side
    3,756.57x = 10,771,392.32
  5. Step 5: Solve for x
    x = 10,771,392.32/3,756.57
  6. Step 6: Final answer
    x = 2,867.35

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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.