Home / 3,270.79-4,905.67-2,719.05

Finding the Fourth Proportional to 3,270.79, 4,905.67 and 2,719.05

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Solution

The fourth proportional to 3,270.79, 4,905.67 and 2,719.05 is: 4,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.79 : 4,905.67 = 2,719.05 : x
  2. Step 2: Convert to fraction form
    3,270.79/4,905.67 = 2,719.05/x
  3. Step 3: Cross multiply
    3,270.79x = 4,905.67 × 2,719.05
  4. Step 4: Simplify right side
    3,270.79x = 13,338,762.01
  5. Step 5: Solve for x
    x = 13,338,762.01/3,270.79
  6. Step 6: Final answer
    x = 4,078.15

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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.