Home / 1,730.44-2,387.90-984.42

Finding the Fourth Proportional to 1,730.44, 2,387.90 and 984.42

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Solution

The fourth proportional to 1,730.44, 2,387.90 and 984.42 is: 1,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.44 : 2,387.90 = 984.42 : x
  2. Step 2: Convert to fraction form
    1,730.44/2,387.90 = 984.42/x
  3. Step 3: Cross multiply
    1,730.44x = 2,387.90 × 984.42
  4. Step 4: Simplify right side
    1,730.44x = 2,350,696.52
  5. Step 5: Solve for x
    x = 2,350,696.52/1,730.44
  6. Step 6: Final answer
    x = 1,358.44

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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.