Home / 3,853.74-5,318.16-2,175.14

Finding the Fourth Proportional to 3,853.74, 5,318.16 and 2,175.14

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Solution

The fourth proportional to 3,853.74, 5,318.16 and 2,175.14 is: 3,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.74 : 5,318.16 = 2,175.14 : x
  2. Step 2: Convert to fraction form
    3,853.74/5,318.16 = 2,175.14/x
  3. Step 3: Cross multiply
    3,853.74x = 5,318.16 × 2,175.14
  4. Step 4: Simplify right side
    3,853.74x = 11,567,742.54
  5. Step 5: Solve for x
    x = 11,567,742.54/3,853.74
  6. Step 6: Final answer
    x = 3,001.69

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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.