Home / 3,526.43-5,290.25-1,447.56

Finding the Fourth Proportional to 3,526.43, 5,290.25 and 1,447.56

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Solution

The fourth proportional to 3,526.43, 5,290.25 and 1,447.56 is: 2,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.43 : 5,290.25 = 1,447.56 : x
  2. Step 2: Convert to fraction form
    3,526.43/5,290.25 = 1,447.56/x
  3. Step 3: Cross multiply
    3,526.43x = 5,290.25 × 1,447.56
  4. Step 4: Simplify right side
    3,526.43x = 7,657,947.05
  5. Step 5: Solve for x
    x = 7,657,947.05/3,526.43
  6. Step 6: Final answer
    x = 2,171.59

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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.