Home / 3,407.62-4,704.78-2,291.11

Finding the Fourth Proportional to 3,407.62, 4,704.78 and 2,291.11

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Solution

The fourth proportional to 3,407.62, 4,704.78 and 2,291.11 is: 3,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.62 : 4,704.78 = 2,291.11 : x
  2. Step 2: Convert to fraction form
    3,407.62/4,704.78 = 2,291.11/x
  3. Step 3: Cross multiply
    3,407.62x = 4,704.78 × 2,291.11
  4. Step 4: Simplify right side
    3,407.62x = 10,779,178.57
  5. Step 5: Solve for x
    x = 10,779,178.57/3,407.62
  6. Step 6: Final answer
    x = 3,163.26

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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.