Home / 4,172.16-5,757.60-2,309.16

Finding the Fourth Proportional to 4,172.16, 5,757.60 and 2,309.16

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Solution

The fourth proportional to 4,172.16, 5,757.60 and 2,309.16 is: 3,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.16 : 5,757.60 = 2,309.16 : x
  2. Step 2: Convert to fraction form
    4,172.16/5,757.60 = 2,309.16/x
  3. Step 3: Cross multiply
    4,172.16x = 5,757.60 × 2,309.16
  4. Step 4: Simplify right side
    4,172.16x = 13,295,219.62
  5. Step 5: Solve for x
    x = 13,295,219.62/4,172.16
  6. Step 6: Final answer
    x = 3,186.65

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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.