Home / 3,756.21-5,183.12-2,077.39

Finding the Fourth Proportional to 3,756.21, 5,183.12 and 2,077.39

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Solution

The fourth proportional to 3,756.21, 5,183.12 and 2,077.39 is: 2,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.21 : 5,183.12 = 2,077.39 : x
  2. Step 2: Convert to fraction form
    3,756.21/5,183.12 = 2,077.39/x
  3. Step 3: Cross multiply
    3,756.21x = 5,183.12 × 2,077.39
  4. Step 4: Simplify right side
    3,756.21x = 10,767,338.31
  5. Step 5: Solve for x
    x = 10,767,338.31/3,756.21
  6. Step 6: Final answer
    x = 2,866.54

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1.5x scale

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.