Home / 2,936.32-4,401.40-1,086.26

Finding the Fourth Proportional to 2,936.32, 4,401.40 and 1,086.26

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Solution

The fourth proportional to 2,936.32, 4,401.40 and 1,086.26 is: 1,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.32 : 4,401.40 = 1,086.26 : x
  2. Step 2: Convert to fraction form
    2,936.32/4,401.40 = 1,086.26/x
  3. Step 3: Cross multiply
    2,936.32x = 4,401.40 × 1,086.26
  4. Step 4: Simplify right side
    2,936.32x = 4,781,064.76
  5. Step 5: Solve for x
    x = 4,781,064.76/2,936.32
  6. Step 6: Final answer
    x = 1,628.25

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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.