Home / 3,170.62-4,756.80-1,322.60

Finding the Fourth Proportional to 3,170.62, 4,756.80 and 1,322.60

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Solution

The fourth proportional to 3,170.62, 4,756.80 and 1,322.60 is: 1,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.62 : 4,756.80 = 1,322.60 : x
  2. Step 2: Convert to fraction form
    3,170.62/4,756.80 = 1,322.60/x
  3. Step 3: Cross multiply
    3,170.62x = 4,756.80 × 1,322.60
  4. Step 4: Simplify right side
    3,170.62x = 6,291,343.68
  5. Step 5: Solve for x
    x = 6,291,343.68/3,170.62
  6. Step 6: Final answer
    x = 1,984.27

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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.