Home / 3,827.90-5,739.15-1,485.96

Finding the Fourth Proportional to 3,827.90, 5,739.15 and 1,485.96

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Solution

The fourth proportional to 3,827.90, 5,739.15 and 1,485.96 is: 2,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.90 : 5,739.15 = 1,485.96 : x
  2. Step 2: Convert to fraction form
    3,827.90/5,739.15 = 1,485.96/x
  3. Step 3: Cross multiply
    3,827.90x = 5,739.15 × 1,485.96
  4. Step 4: Simplify right side
    3,827.90x = 8,528,147.33
  5. Step 5: Solve for x
    x = 8,528,147.33/3,827.90
  6. Step 6: Final answer
    x = 2,227.89

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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.