Home / 2,186.39-3,280.02-799.60

Finding the Fourth Proportional to 2,186.39, 3,280.02 and 799.60

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Solution

The fourth proportional to 2,186.39, 3,280.02 and 799.60 is: 1,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.39 : 3,280.02 = 799.60 : x
  2. Step 2: Convert to fraction form
    2,186.39/3,280.02 = 799.60/x
  3. Step 3: Cross multiply
    2,186.39x = 3,280.02 × 799.60
  4. Step 4: Simplify right side
    2,186.39x = 2,622,703.99
  5. Step 5: Solve for x
    x = 2,622,703.99/2,186.39
  6. Step 6: Final answer
    x = 1,199.56

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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.