Home / 2,147.34-3,221.63-1,052.03

Finding the Fourth Proportional to 2,147.34, 3,221.63 and 1,052.03

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Solution

The fourth proportional to 2,147.34, 3,221.63 and 1,052.03 is: 1,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.34 : 3,221.63 = 1,052.03 : x
  2. Step 2: Convert to fraction form
    2,147.34/3,221.63 = 1,052.03/x
  3. Step 3: Cross multiply
    2,147.34x = 3,221.63 × 1,052.03
  4. Step 4: Simplify right side
    2,147.34x = 3,389,230.04
  5. Step 5: Solve for x
    x = 3,389,230.04/2,147.34
  6. Step 6: Final answer
    x = 1,578.34

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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.