Home / 3,848.58-5,310.48-2,169.69

Finding the Fourth Proportional to 3,848.58, 5,310.48 and 2,169.69

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Solution

The fourth proportional to 3,848.58, 5,310.48 and 2,169.69 is: 2,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.58 : 5,310.48 = 2,169.69 : x
  2. Step 2: Convert to fraction form
    3,848.58/5,310.48 = 2,169.69/x
  3. Step 3: Cross multiply
    3,848.58x = 5,310.48 × 2,169.69
  4. Step 4: Simplify right side
    3,848.58x = 11,522,095.35
  5. Step 5: Solve for x
    x = 11,522,095.35/3,848.58
  6. Step 6: Final answer
    x = 2,993.86

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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.