Home / 3,674.82-5,072.32-2,239.70

Finding the Fourth Proportional to 3,674.82, 5,072.32 and 2,239.70

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Solution

The fourth proportional to 3,674.82, 5,072.32 and 2,239.70 is: 3,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.82 : 5,072.32 = 2,239.70 : x
  2. Step 2: Convert to fraction form
    3,674.82/5,072.32 = 2,239.70/x
  3. Step 3: Cross multiply
    3,674.82x = 5,072.32 × 2,239.70
  4. Step 4: Simplify right side
    3,674.82x = 11,360,475.10
  5. Step 5: Solve for x
    x = 11,360,475.10/3,674.82
  6. Step 6: Final answer
    x = 3,091.44

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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.