Home / 3,443.68-5,157.30-1,881.34

Finding the Fourth Proportional to 3,443.68, 5,157.30 and 1,881.34

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Solution

The fourth proportional to 3,443.68, 5,157.30 and 1,881.34 is: 2,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.68 : 5,157.30 = 1,881.34 : x
  2. Step 2: Convert to fraction form
    3,443.68/5,157.30 = 1,881.34/x
  3. Step 3: Cross multiply
    3,443.68x = 5,157.30 × 1,881.34
  4. Step 4: Simplify right side
    3,443.68x = 9,702,634.78
  5. Step 5: Solve for x
    x = 9,702,634.78/3,443.68
  6. Step 6: Final answer
    x = 2,817.52

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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.