Home / 3,854.82-5,319.69-2,176.29

Finding the Fourth Proportional to 3,854.82, 5,319.69 and 2,176.29

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Solution

The fourth proportional to 3,854.82, 5,319.69 and 2,176.29 is: 3,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.82 : 5,319.69 = 2,176.29 : x
  2. Step 2: Convert to fraction form
    3,854.82/5,319.69 = 2,176.29/x
  3. Step 3: Cross multiply
    3,854.82x = 5,319.69 × 2,176.29
  4. Step 4: Simplify right side
    3,854.82x = 11,577,188.15
  5. Step 5: Solve for x
    x = 11,577,188.15/3,854.82
  6. Step 6: Final answer
    x = 3,003.30

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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.