Home / 1,946.33-2,918.97-559.31

Finding the Fourth Proportional to 1,946.33, 2,918.97 and 559.31

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Solution

The fourth proportional to 1,946.33, 2,918.97 and 559.31 is: 838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.33 : 2,918.97 = 559.31 : x
  2. Step 2: Convert to fraction form
    1,946.33/2,918.97 = 559.31/x
  3. Step 3: Cross multiply
    1,946.33x = 2,918.97 × 559.31
  4. Step 4: Simplify right side
    1,946.33x = 1,632,594.52
  5. Step 5: Solve for x
    x = 1,632,594.52/1,946.33
  6. Step 6: Final answer
    x = 838.81

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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.