Home / 1,336.18-1,845.56-1,001.58

Finding the Fourth Proportional to 1,336.18, 1,845.56 and 1,001.58

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Solution

The fourth proportional to 1,336.18, 1,845.56 and 1,001.58 is: 1,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.18 : 1,845.56 = 1,001.58 : x
  2. Step 2: Convert to fraction form
    1,336.18/1,845.56 = 1,001.58/x
  3. Step 3: Cross multiply
    1,336.18x = 1,845.56 × 1,001.58
  4. Step 4: Simplify right side
    1,336.18x = 1,848,478.49
  5. Step 5: Solve for x
    x = 1,848,478.49/1,336.18
  6. Step 6: Final answer
    x = 1,383.41

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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.