Home / 3,784.21-5,669.02-3,091.66

Finding the Fourth Proportional to 3,784.21, 5,669.02 and 3,091.66

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Solution

The fourth proportional to 3,784.21, 5,669.02 and 3,091.66 is: 4,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.21 : 5,669.02 = 3,091.66 : x
  2. Step 2: Convert to fraction form
    3,784.21/5,669.02 = 3,091.66/x
  3. Step 3: Cross multiply
    3,784.21x = 5,669.02 × 3,091.66
  4. Step 4: Simplify right side
    3,784.21x = 17,526,682.37
  5. Step 5: Solve for x
    x = 17,526,682.37/3,784.21
  6. Step 6: Final answer
    x = 4,631.53

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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.