Home / 3,860.02-5,790.94-1,669.38

Finding the Fourth Proportional to 3,860.02, 5,790.94 and 1,669.38

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Solution

The fourth proportional to 3,860.02, 5,790.94 and 1,669.38 is: 2,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.02 : 5,790.94 = 1,669.38 : x
  2. Step 2: Convert to fraction form
    3,860.02/5,790.94 = 1,669.38/x
  3. Step 3: Cross multiply
    3,860.02x = 5,790.94 × 1,669.38
  4. Step 4: Simplify right side
    3,860.02x = 9,667,279.42
  5. Step 5: Solve for x
    x = 9,667,279.42/3,860.02
  6. Step 6: Final answer
    x = 2,504.46

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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.