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Finding the Fourth Proportional to 1,357.25, 1,873.01 and 736.25

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Solution

The fourth proportional to 1,357.25, 1,873.01 and 736.25 is: 1,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.25 : 1,873.01 = 736.25 : x
  2. Step 2: Convert to fraction form
    1,357.25/1,873.01 = 736.25/x
  3. Step 3: Cross multiply
    1,357.25x = 1,873.01 × 736.25
  4. Step 4: Simplify right side
    1,357.25x = 1,378,999.93
  5. Step 5: Solve for x
    x = 1,378,999.93/1,357.25
  6. Step 6: Final answer
    x = 1,016.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.