Home / 3,854.98-5,319.76-2,176.44

Finding the Fourth Proportional to 3,854.98, 5,319.76 and 2,176.44

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Solution

The fourth proportional to 3,854.98, 5,319.76 and 2,176.44 is: 3,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.98 : 5,319.76 = 2,176.44 : x
  2. Step 2: Convert to fraction form
    3,854.98/5,319.76 = 2,176.44/x
  3. Step 3: Cross multiply
    3,854.98x = 5,319.76 × 2,176.44
  4. Step 4: Simplify right side
    3,854.98x = 11,578,138.45
  5. Step 5: Solve for x
    x = 11,578,138.45/3,854.98
  6. Step 6: Final answer
    x = 3,003.42

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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.