Home / 1,801.33-2,486.81-1,244.79

Finding the Fourth Proportional to 1,801.33, 2,486.81 and 1,244.79

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Solution

The fourth proportional to 1,801.33, 2,486.81 and 1,244.79 is: 1,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.33 : 2,486.81 = 1,244.79 : x
  2. Step 2: Convert to fraction form
    1,801.33/2,486.81 = 1,244.79/x
  3. Step 3: Cross multiply
    1,801.33x = 2,486.81 × 1,244.79
  4. Step 4: Simplify right side
    1,801.33x = 3,095,556.22
  5. Step 5: Solve for x
    x = 3,095,556.22/1,801.33
  6. Step 6: Final answer
    x = 1,718.49

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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.