Home / 3,616.21-5,421.88-2,057.95

Finding the Fourth Proportional to 3,616.21, 5,421.88 and 2,057.95

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Solution

The fourth proportional to 3,616.21, 5,421.88 and 2,057.95 is: 3,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.21 : 5,421.88 = 2,057.95 : x
  2. Step 2: Convert to fraction form
    3,616.21/5,421.88 = 2,057.95/x
  3. Step 3: Cross multiply
    3,616.21x = 5,421.88 × 2,057.95
  4. Step 4: Simplify right side
    3,616.21x = 11,157,957.95
  5. Step 5: Solve for x
    x = 11,157,957.95/3,616.21
  6. Step 6: Final answer
    x = 3,085.54

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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.