Home / 3,529.83-5,294.01-1,447.80

Finding the Fourth Proportional to 3,529.83, 5,294.01 and 1,447.80

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Solution

The fourth proportional to 3,529.83, 5,294.01 and 1,447.80 is: 2,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.83 : 5,294.01 = 1,447.80 : x
  2. Step 2: Convert to fraction form
    3,529.83/5,294.01 = 1,447.80/x
  3. Step 3: Cross multiply
    3,529.83x = 5,294.01 × 1,447.80
  4. Step 4: Simplify right side
    3,529.83x = 7,664,667.68
  5. Step 5: Solve for x
    x = 7,664,667.68/3,529.83
  6. Step 6: Final answer
    x = 2,171.40

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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.