Home / 3,427.96-5,146.80-2,125.48

Finding the Fourth Proportional to 3,427.96, 5,146.80 and 2,125.48

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Solution

The fourth proportional to 3,427.96, 5,146.80 and 2,125.48 is: 3,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.96 : 5,146.80 = 2,125.48 : x
  2. Step 2: Convert to fraction form
    3,427.96/5,146.80 = 2,125.48/x
  3. Step 3: Cross multiply
    3,427.96x = 5,146.80 × 2,125.48
  4. Step 4: Simplify right side
    3,427.96x = 10,939,420.46
  5. Step 5: Solve for x
    x = 10,939,420.46/3,427.96
  6. Step 6: Final answer
    x = 3,191.23

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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.