Home / 3,423.54-5,134.73-1,018.62

Finding the Fourth Proportional to 3,423.54, 5,134.73 and 1,018.62

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Solution

The fourth proportional to 3,423.54, 5,134.73 and 1,018.62 is: 1,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.54 : 5,134.73 = 1,018.62 : x
  2. Step 2: Convert to fraction form
    3,423.54/5,134.73 = 1,018.62/x
  3. Step 3: Cross multiply
    3,423.54x = 5,134.73 × 1,018.62
  4. Step 4: Simplify right side
    3,423.54x = 5,230,338.67
  5. Step 5: Solve for x
    x = 5,230,338.67/3,423.54
  6. Step 6: Final answer
    x = 1,527.76

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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.