Home / 3,412.34-5,119.73-1,563.92

Finding the Fourth Proportional to 3,412.34, 5,119.73 and 1,563.92

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Solution

The fourth proportional to 3,412.34, 5,119.73 and 1,563.92 is: 2,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.34 : 5,119.73 = 1,563.92 : x
  2. Step 2: Convert to fraction form
    3,412.34/5,119.73 = 1,563.92/x
  3. Step 3: Cross multiply
    3,412.34x = 5,119.73 × 1,563.92
  4. Step 4: Simplify right side
    3,412.34x = 8,006,814.72
  5. Step 5: Solve for x
    x = 8,006,814.72/3,412.34
  6. Step 6: Final answer
    x = 2,346.43

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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.