Home / 3,756.78-5,183.70-2,340.02

Finding the Fourth Proportional to 3,756.78, 5,183.70 and 2,340.02

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Solution

The fourth proportional to 3,756.78, 5,183.70 and 2,340.02 is: 3,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.78 : 5,183.70 = 2,340.02 : x
  2. Step 2: Convert to fraction form
    3,756.78/5,183.70 = 2,340.02/x
  3. Step 3: Cross multiply
    3,756.78x = 5,183.70 × 2,340.02
  4. Step 4: Simplify right side
    3,756.78x = 12,129,967.52
  5. Step 5: Solve for x
    x = 12,129,967.52/3,756.78
  6. Step 6: Final answer
    x = 3,228.82

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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.