Home / 3,435.80-5,141.37-2,975.15

Finding the Fourth Proportional to 3,435.80, 5,141.37 and 2,975.15

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Solution

The fourth proportional to 3,435.80, 5,141.37 and 2,975.15 is: 4,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.80 : 5,141.37 = 2,975.15 : x
  2. Step 2: Convert to fraction form
    3,435.80/5,141.37 = 2,975.15/x
  3. Step 3: Cross multiply
    3,435.80x = 5,141.37 × 2,975.15
  4. Step 4: Simplify right side
    3,435.80x = 15,296,346.96
  5. Step 5: Solve for x
    x = 15,296,346.96/3,435.80
  6. Step 6: Final answer
    x = 4,452.05

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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.