Home / 3,172.48-4,757.88-2,133.32

Finding the Fourth Proportional to 3,172.48, 4,757.88 and 2,133.32

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Solution

The fourth proportional to 3,172.48, 4,757.88 and 2,133.32 is: 3,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.48 : 4,757.88 = 2,133.32 : x
  2. Step 2: Convert to fraction form
    3,172.48/4,757.88 = 2,133.32/x
  3. Step 3: Cross multiply
    3,172.48x = 4,757.88 × 2,133.32
  4. Step 4: Simplify right side
    3,172.48x = 10,150,080.56
  5. Step 5: Solve for x
    x = 10,150,080.56/3,172.48
  6. Step 6: Final answer
    x = 3,199.42

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1.5x scale

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.