Home / 3,927.89-5,890.32-1,462.15

Finding the Fourth Proportional to 3,927.89, 5,890.32 and 1,462.15

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Solution

The fourth proportional to 3,927.89, 5,890.32 and 1,462.15 is: 2,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.89 : 5,890.32 = 1,462.15 : x
  2. Step 2: Convert to fraction form
    3,927.89/5,890.32 = 1,462.15/x
  3. Step 3: Cross multiply
    3,927.89x = 5,890.32 × 1,462.15
  4. Step 4: Simplify right side
    3,927.89x = 8,612,538.75
  5. Step 5: Solve for x
    x = 8,612,538.75/3,927.89
  6. Step 6: Final answer
    x = 2,192.66

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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.