Home / 1,476.60-2,215.80-827.28

Finding the Fourth Proportional to 1,476.60, 2,215.80 and 827.28

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Solution

The fourth proportional to 1,476.60, 2,215.80 and 827.28 is: 1,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.60 : 2,215.80 = 827.28 : x
  2. Step 2: Convert to fraction form
    1,476.60/2,215.80 = 827.28/x
  3. Step 3: Cross multiply
    1,476.60x = 2,215.80 × 827.28
  4. Step 4: Simplify right side
    1,476.60x = 1,833,087.02
  5. Step 5: Solve for x
    x = 1,833,087.02/1,476.60
  6. Step 6: Final answer
    x = 1,241.42

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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.