Home / 3,427.46-5,128.56-2,423.84

Finding the Fourth Proportional to 3,427.46, 5,128.56 and 2,423.84

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Solution

The fourth proportional to 3,427.46, 5,128.56 and 2,423.84 is: 3,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.46 : 5,128.56 = 2,423.84 : x
  2. Step 2: Convert to fraction form
    3,427.46/5,128.56 = 2,423.84/x
  3. Step 3: Cross multiply
    3,427.46x = 5,128.56 × 2,423.84
  4. Step 4: Simplify right side
    3,427.46x = 12,430,808.87
  5. Step 5: Solve for x
    x = 12,430,808.87/3,427.46
  6. Step 6: Final answer
    x = 3,626.83

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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.