Home / 1,336.48-2,001.68-923.76

Finding the Fourth Proportional to 1,336.48, 2,001.68 and 923.76

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Solution

The fourth proportional to 1,336.48, 2,001.68 and 923.76 is: 1,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.48 : 2,001.68 = 923.76 : x
  2. Step 2: Convert to fraction form
    1,336.48/2,001.68 = 923.76/x
  3. Step 3: Cross multiply
    1,336.48x = 2,001.68 × 923.76
  4. Step 4: Simplify right side
    1,336.48x = 1,849,071.92
  5. Step 5: Solve for x
    x = 1,849,071.92/1,336.48
  6. Step 6: Final answer
    x = 1,383.54

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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.