Home / 3,718.34-5,572.35-2,072.42

Finding the Fourth Proportional to 3,718.34, 5,572.35 and 2,072.42

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Solution

The fourth proportional to 3,718.34, 5,572.35 and 2,072.42 is: 3,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.34 : 5,572.35 = 2,072.42 : x
  2. Step 2: Convert to fraction form
    3,718.34/5,572.35 = 2,072.42/x
  3. Step 3: Cross multiply
    3,718.34x = 5,572.35 × 2,072.42
  4. Step 4: Simplify right side
    3,718.34x = 11,548,249.59
  5. Step 5: Solve for x
    x = 11,548,249.59/3,718.34
  6. Step 6: Final answer
    x = 3,105.75

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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.