Home / 2,320.92-3,481.86-1,022.40

Finding the Fourth Proportional to 2,320.92, 3,481.86 and 1,022.40

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Solution

The fourth proportional to 2,320.92, 3,481.86 and 1,022.40 is: 1,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.92 : 3,481.86 = 1,022.40 : x
  2. Step 2: Convert to fraction form
    2,320.92/3,481.86 = 1,022.40/x
  3. Step 3: Cross multiply
    2,320.92x = 3,481.86 × 1,022.40
  4. Step 4: Simplify right side
    2,320.92x = 3,559,853.66
  5. Step 5: Solve for x
    x = 3,559,853.66/2,320.92
  6. Step 6: Final answer
    x = 1,533.81

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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.