Home / 1,334.64-2,011.97-1,245.44

Finding the Fourth Proportional to 1,334.64, 2,011.97 and 1,245.44

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Solution

The fourth proportional to 1,334.64, 2,011.97 and 1,245.44 is: 1,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.64 : 2,011.97 = 1,245.44 : x
  2. Step 2: Convert to fraction form
    1,334.64/2,011.97 = 1,245.44/x
  3. Step 3: Cross multiply
    1,334.64x = 2,011.97 × 1,245.44
  4. Step 4: Simplify right side
    1,334.64x = 2,505,771.63
  5. Step 5: Solve for x
    x = 2,505,771.63/1,334.64
  6. Step 6: Final answer
    x = 1,877.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.