Home / 1,730.88-2,388.62-984.81

Finding the Fourth Proportional to 1,730.88, 2,388.62 and 984.81

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Solution

The fourth proportional to 1,730.88, 2,388.62 and 984.81 is: 1,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.88 : 2,388.62 = 984.81 : x
  2. Step 2: Convert to fraction form
    1,730.88/2,388.62 = 984.81/x
  3. Step 3: Cross multiply
    1,730.88x = 2,388.62 × 984.81
  4. Step 4: Simplify right side
    1,730.88x = 2,352,331.94
  5. Step 5: Solve for x
    x = 2,352,331.94/1,730.88
  6. Step 6: Final answer
    x = 1,359.04

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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.