Home / 4,172.03-5,757.42-2,309.03

Finding the Fourth Proportional to 4,172.03, 5,757.42 and 2,309.03

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Solution

The fourth proportional to 4,172.03, 5,757.42 and 2,309.03 is: 3,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.03 : 5,757.42 = 2,309.03 : x
  2. Step 2: Convert to fraction form
    4,172.03/5,757.42 = 2,309.03/x
  3. Step 3: Cross multiply
    4,172.03x = 5,757.42 × 2,309.03
  4. Step 4: Simplify right side
    4,172.03x = 13,294,069.90
  5. Step 5: Solve for x
    x = 13,294,069.90/4,172.03
  6. Step 6: Final answer
    x = 3,186.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.