Home / 3,756.15-5,183.28-2,077.45

Finding the Fourth Proportional to 3,756.15, 5,183.28 and 2,077.45

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Solution

The fourth proportional to 3,756.15, 5,183.28 and 2,077.45 is: 2,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.15 : 5,183.28 = 2,077.45 : x
  2. Step 2: Convert to fraction form
    3,756.15/5,183.28 = 2,077.45/x
  3. Step 3: Cross multiply
    3,756.15x = 5,183.28 × 2,077.45
  4. Step 4: Simplify right side
    3,756.15x = 10,767,992.08
  5. Step 5: Solve for x
    x = 10,767,992.08/3,756.15
  6. Step 6: Final answer
    x = 2,866.76

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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.