Home / 3,675.07-5,072.03-2,103.13

Finding the Fourth Proportional to 3,675.07, 5,072.03 and 2,103.13

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Solution

The fourth proportional to 3,675.07, 5,072.03 and 2,103.13 is: 2,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.07 : 5,072.03 = 2,103.13 : x
  2. Step 2: Convert to fraction form
    3,675.07/5,072.03 = 2,103.13/x
  3. Step 3: Cross multiply
    3,675.07x = 5,072.03 × 2,103.13
  4. Step 4: Simplify right side
    3,675.07x = 10,667,118.35
  5. Step 5: Solve for x
    x = 10,667,118.35/3,675.07
  6. Step 6: Final answer
    x = 2,902.57

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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.