Home / 3,745.34-5,168.43-2,066.70

Finding the Fourth Proportional to 3,745.34, 5,168.43 and 2,066.70

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Solution

The fourth proportional to 3,745.34, 5,168.43 and 2,066.70 is: 2,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.34 : 5,168.43 = 2,066.70 : x
  2. Step 2: Convert to fraction form
    3,745.34/5,168.43 = 2,066.70/x
  3. Step 3: Cross multiply
    3,745.34x = 5,168.43 × 2,066.70
  4. Step 4: Simplify right side
    3,745.34x = 10,681,594.28
  5. Step 5: Solve for x
    x = 10,681,594.28/3,745.34
  6. Step 6: Final answer
    x = 2,851.97

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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.