Home / 3,476.73-5,215.32-1,396.47

Finding the Fourth Proportional to 3,476.73, 5,215.32 and 1,396.47

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Solution

The fourth proportional to 3,476.73, 5,215.32 and 1,396.47 is: 2,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.73 : 5,215.32 = 1,396.47 : x
  2. Step 2: Convert to fraction form
    3,476.73/5,215.32 = 1,396.47/x
  3. Step 3: Cross multiply
    3,476.73x = 5,215.32 × 1,396.47
  4. Step 4: Simplify right side
    3,476.73x = 7,283,037.92
  5. Step 5: Solve for x
    x = 7,283,037.92/3,476.73
  6. Step 6: Final answer
    x = 2,094.80

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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.