Home / 3,756.74-5,184.06-2,078.07

Finding the Fourth Proportional to 3,756.74, 5,184.06 and 2,078.07

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Solution

The fourth proportional to 3,756.74, 5,184.06 and 2,078.07 is: 2,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.74 : 5,184.06 = 2,078.07 : x
  2. Step 2: Convert to fraction form
    3,756.74/5,184.06 = 2,078.07/x
  3. Step 3: Cross multiply
    3,756.74x = 5,184.06 × 2,078.07
  4. Step 4: Simplify right side
    3,756.74x = 10,772,839.56
  5. Step 5: Solve for x
    x = 10,772,839.56/3,756.74
  6. Step 6: Final answer
    x = 2,867.61

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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.