Home / 2,016.72-3,020.52-1,397.64

Finding the Fourth Proportional to 2,016.72, 3,020.52 and 1,397.64

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Solution

The fourth proportional to 2,016.72, 3,020.52 and 1,397.64 is: 2,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.72 : 3,020.52 = 1,397.64 : x
  2. Step 2: Convert to fraction form
    2,016.72/3,020.52 = 1,397.64/x
  3. Step 3: Cross multiply
    2,016.72x = 3,020.52 × 1,397.64
  4. Step 4: Simplify right side
    2,016.72x = 4,221,599.57
  5. Step 5: Solve for x
    x = 4,221,599.57/2,016.72
  6. Step 6: Final answer
    x = 2,093.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.