Home / 2,383.93-3,289.70-1,321.69

Finding the Fourth Proportional to 2,383.93, 3,289.70 and 1,321.69

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Solution

The fourth proportional to 2,383.93, 3,289.70 and 1,321.69 is: 1,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.93 : 3,289.70 = 1,321.69 : x
  2. Step 2: Convert to fraction form
    2,383.93/3,289.70 = 1,321.69/x
  3. Step 3: Cross multiply
    2,383.93x = 3,289.70 × 1,321.69
  4. Step 4: Simplify right side
    2,383.93x = 4,347,958.67
  5. Step 5: Solve for x
    x = 4,347,958.67/2,383.93
  6. Step 6: Final answer
    x = 1,823.86

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Half scale
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Double scale
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1.5x scale

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.