Home / 3,409.56-4,706.76-2,291.28

Finding the Fourth Proportional to 3,409.56, 4,706.76 and 2,291.28

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Solution

The fourth proportional to 3,409.56, 4,706.76 and 2,291.28 is: 3,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.56 : 4,706.76 = 2,291.28 : x
  2. Step 2: Convert to fraction form
    3,409.56/4,706.76 = 2,291.28/x
  3. Step 3: Cross multiply
    3,409.56x = 4,706.76 × 2,291.28
  4. Step 4: Simplify right side
    3,409.56x = 10,784,505.05
  5. Step 5: Solve for x
    x = 10,784,505.05/3,409.56
  6. Step 6: Final answer
    x = 3,163.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.