Home / 3,476.34-5,215.05-2,186.82

Finding the Fourth Proportional to 3,476.34, 5,215.05 and 2,186.82

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Solution

The fourth proportional to 3,476.34, 5,215.05 and 2,186.82 is: 3,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.34 : 5,215.05 = 2,186.82 : x
  2. Step 2: Convert to fraction form
    3,476.34/5,215.05 = 2,186.82/x
  3. Step 3: Cross multiply
    3,476.34x = 5,215.05 × 2,186.82
  4. Step 4: Simplify right side
    3,476.34x = 11,404,375.64
  5. Step 5: Solve for x
    x = 11,404,375.64/3,476.34
  6. Step 6: Final answer
    x = 3,280.57

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1.5x scale

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.