Home / 3,675.14-5,071.92-2,103.20

Finding the Fourth Proportional to 3,675.14, 5,071.92 and 2,103.20

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Solution

The fourth proportional to 3,675.14, 5,071.92 and 2,103.20 is: 2,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.14 : 5,071.92 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    3,675.14/5,071.92 = 2,103.20/x
  3. Step 3: Cross multiply
    3,675.14x = 5,071.92 × 2,103.20
  4. Step 4: Simplify right side
    3,675.14x = 10,667,262.14
  5. Step 5: Solve for x
    x = 10,667,262.14/3,675.14
  6. Step 6: Final answer
    x = 2,902.55

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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.