Home / 1,157.35-1,736.09-335.60

Finding the Fourth Proportional to 1,157.35, 1,736.09 and 335.60

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Solution

The fourth proportional to 1,157.35, 1,736.09 and 335.60 is: 503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.35 : 1,736.09 = 335.60 : x
  2. Step 2: Convert to fraction form
    1,157.35/1,736.09 = 335.60/x
  3. Step 3: Cross multiply
    1,157.35x = 1,736.09 × 335.60
  4. Step 4: Simplify right side
    1,157.35x = 582,631.80
  5. Step 5: Solve for x
    x = 582,631.80/1,157.35
  6. Step 6: Final answer
    x = 503.42

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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.