Home / 3,860.02-5,790.21-1,086.58

Finding the Fourth Proportional to 3,860.02, 5,790.21 and 1,086.58

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Solution

The fourth proportional to 3,860.02, 5,790.21 and 1,086.58 is: 1,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.02 : 5,790.21 = 1,086.58 : x
  2. Step 2: Convert to fraction form
    3,860.02/5,790.21 = 1,086.58/x
  3. Step 3: Cross multiply
    3,860.02x = 5,790.21 × 1,086.58
  4. Step 4: Simplify right side
    3,860.02x = 6,291,526.38
  5. Step 5: Solve for x
    x = 6,291,526.38/3,860.02
  6. Step 6: Final answer
    x = 1,629.92

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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.