Home / 3,476.64-5,215.29-1,396.56

Finding the Fourth Proportional to 3,476.64, 5,215.29 and 1,396.56

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Solution

The fourth proportional to 3,476.64, 5,215.29 and 1,396.56 is: 2,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.64 : 5,215.29 = 1,396.56 : x
  2. Step 2: Convert to fraction form
    3,476.64/5,215.29 = 1,396.56/x
  3. Step 3: Cross multiply
    3,476.64x = 5,215.29 × 1,396.56
  4. Step 4: Simplify right side
    3,476.64x = 7,283,465.40
  5. Step 5: Solve for x
    x = 7,283,465.40/3,476.64
  6. Step 6: Final answer
    x = 2,094.97

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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.