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Finding the Fourth Proportional to 1,336.19, 1,844.01 and 746.75

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Solution

The fourth proportional to 1,336.19, 1,844.01 and 746.75 is: 1,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.19 : 1,844.01 = 746.75 : x
  2. Step 2: Convert to fraction form
    1,336.19/1,844.01 = 746.75/x
  3. Step 3: Cross multiply
    1,336.19x = 1,844.01 × 746.75
  4. Step 4: Simplify right side
    1,336.19x = 1,377,005.25
  5. Step 5: Solve for x
    x = 1,377,005.25/1,336.19
  6. Step 6: Final answer
    x = 1,030.55

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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.