Home / 3,859.02-5,789.44-1,668.38

Finding the Fourth Proportional to 3,859.02, 5,789.44 and 1,668.38

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Solution

The fourth proportional to 3,859.02, 5,789.44 and 1,668.38 is: 2,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.02 : 5,789.44 = 1,668.38 : x
  2. Step 2: Convert to fraction form
    3,859.02/5,789.44 = 1,668.38/x
  3. Step 3: Cross multiply
    3,859.02x = 5,789.44 × 1,668.38
  4. Step 4: Simplify right side
    3,859.02x = 9,658,985.91
  5. Step 5: Solve for x
    x = 9,658,985.91/3,859.02
  6. Step 6: Final answer
    x = 2,502.96

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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.