Home / 3,848.56-5,310.69-2,170.38

Finding the Fourth Proportional to 3,848.56, 5,310.69 and 2,170.38

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Solution

The fourth proportional to 3,848.56, 5,310.69 and 2,170.38 is: 2,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.56 : 5,310.69 = 2,170.38 : x
  2. Step 2: Convert to fraction form
    3,848.56/5,310.69 = 2,170.38/x
  3. Step 3: Cross multiply
    3,848.56x = 5,310.69 × 2,170.38
  4. Step 4: Simplify right side
    3,848.56x = 11,526,215.36
  5. Step 5: Solve for x
    x = 11,526,215.36/3,848.56
  6. Step 6: Final answer
    x = 2,994.94

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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.