Home / 3,122.64-4,682.58-1,173.48

Finding the Fourth Proportional to 3,122.64, 4,682.58 and 1,173.48

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Solution

The fourth proportional to 3,122.64, 4,682.58 and 1,173.48 is: 1,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.64 : 4,682.58 = 1,173.48 : x
  2. Step 2: Convert to fraction form
    3,122.64/4,682.58 = 1,173.48/x
  3. Step 3: Cross multiply
    3,122.64x = 4,682.58 × 1,173.48
  4. Step 4: Simplify right side
    3,122.64x = 5,494,913.98
  5. Step 5: Solve for x
    x = 5,494,913.98/3,122.64
  6. Step 6: Final answer
    x = 1,759.70

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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.