Home / 2,186.36-3,278.66-952.90

Finding the Fourth Proportional to 2,186.36, 3,278.66 and 952.90

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Solution

The fourth proportional to 2,186.36, 3,278.66 and 952.90 is: 1,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.36 : 3,278.66 = 952.90 : x
  2. Step 2: Convert to fraction form
    2,186.36/3,278.66 = 952.90/x
  3. Step 3: Cross multiply
    2,186.36x = 3,278.66 × 952.90
  4. Step 4: Simplify right side
    2,186.36x = 3,124,228.30
  5. Step 5: Solve for x
    x = 3,124,228.30/2,186.36
  6. Step 6: Final answer
    x = 1,428.96

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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.