Home / 3,757.22-5,184.56-2,078.36

Finding the Fourth Proportional to 3,757.22, 5,184.56 and 2,078.36

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Solution

The fourth proportional to 3,757.22, 5,184.56 and 2,078.36 is: 2,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.22 : 5,184.56 = 2,078.36 : x
  2. Step 2: Convert to fraction form
    3,757.22/5,184.56 = 2,078.36/x
  3. Step 3: Cross multiply
    3,757.22x = 5,184.56 × 2,078.36
  4. Step 4: Simplify right side
    3,757.22x = 10,775,345.81
  5. Step 5: Solve for x
    x = 10,775,345.81/3,757.22
  6. Step 6: Final answer
    x = 2,867.91

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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.