Home / 3,827.30-5,739.47-1,486.99

Finding the Fourth Proportional to 3,827.30, 5,739.47 and 1,486.99

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Solution

The fourth proportional to 3,827.30, 5,739.47 and 1,486.99 is: 2,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.30 : 5,739.47 = 1,486.99 : x
  2. Step 2: Convert to fraction form
    3,827.30/5,739.47 = 1,486.99/x
  3. Step 3: Cross multiply
    3,827.30x = 5,739.47 × 1,486.99
  4. Step 4: Simplify right side
    3,827.30x = 8,534,539.89
  5. Step 5: Solve for x
    x = 8,534,539.89/3,827.30
  6. Step 6: Final answer
    x = 2,229.91

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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.