Home / 3,579.40-5,367.66-1,270.36

Finding the Fourth Proportional to 3,579.40, 5,367.66 and 1,270.36

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Solution

The fourth proportional to 3,579.40, 5,367.66 and 1,270.36 is: 1,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.40 : 5,367.66 = 1,270.36 : x
  2. Step 2: Convert to fraction form
    3,579.40/5,367.66 = 1,270.36/x
  3. Step 3: Cross multiply
    3,579.40x = 5,367.66 × 1,270.36
  4. Step 4: Simplify right side
    3,579.40x = 6,818,860.56
  5. Step 5: Solve for x
    x = 6,818,860.56/3,579.40
  6. Step 6: Final answer
    x = 1,905.03

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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.