Home / 2,927.24-4,378.86-2,186.39

Finding the Fourth Proportional to 2,927.24, 4,378.86 and 2,186.39

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Solution

The fourth proportional to 2,927.24, 4,378.86 and 2,186.39 is: 3,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.24 : 4,378.86 = 2,186.39 : x
  2. Step 2: Convert to fraction form
    2,927.24/4,378.86 = 2,186.39/x
  3. Step 3: Cross multiply
    2,927.24x = 4,378.86 × 2,186.39
  4. Step 4: Simplify right side
    2,927.24x = 9,573,906.66
  5. Step 5: Solve for x
    x = 9,573,906.66/2,927.24
  6. Step 6: Final answer
    x = 3,270.63

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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.