Home / 1,447.65-2,171.46-352.02

Finding the Fourth Proportional to 1,447.65, 2,171.46 and 352.02

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Solution

The fourth proportional to 1,447.65, 2,171.46 and 352.02 is: 528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.65 : 2,171.46 = 352.02 : x
  2. Step 2: Convert to fraction form
    1,447.65/2,171.46 = 352.02/x
  3. Step 3: Cross multiply
    1,447.65x = 2,171.46 × 352.02
  4. Step 4: Simplify right side
    1,447.65x = 764,397.35
  5. Step 5: Solve for x
    x = 764,397.35/1,447.65
  6. Step 6: Final answer
    x = 528.03

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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.