Home / 3,756.87-5,184.03-2,078.07

Finding the Fourth Proportional to 3,756.87, 5,184.03 and 2,078.07

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Solution

The fourth proportional to 3,756.87, 5,184.03 and 2,078.07 is: 2,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.87 : 5,184.03 = 2,078.07 : x
  2. Step 2: Convert to fraction form
    3,756.87/5,184.03 = 2,078.07/x
  3. Step 3: Cross multiply
    3,756.87x = 5,184.03 × 2,078.07
  4. Step 4: Simplify right side
    3,756.87x = 10,772,777.22
  5. Step 5: Solve for x
    x = 10,772,777.22/3,756.87
  6. Step 6: Final answer
    x = 2,867.49

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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.