Home / 3,173.24-4,761.56-1,325.60

Finding the Fourth Proportional to 3,173.24, 4,761.56 and 1,325.60

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Solution

The fourth proportional to 3,173.24, 4,761.56 and 1,325.60 is: 1,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.24 : 4,761.56 = 1,325.60 : x
  2. Step 2: Convert to fraction form
    3,173.24/4,761.56 = 1,325.60/x
  3. Step 3: Cross multiply
    3,173.24x = 4,761.56 × 1,325.60
  4. Step 4: Simplify right side
    3,173.24x = 6,311,923.94
  5. Step 5: Solve for x
    x = 6,311,923.94/3,173.24
  6. Step 6: Final answer
    x = 1,989.11

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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.