Home / 2,743.45-3,785.97-1,564.54

Finding the Fourth Proportional to 2,743.45, 3,785.97 and 1,564.54

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Solution

The fourth proportional to 2,743.45, 3,785.97 and 1,564.54 is: 2,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.45 : 3,785.97 = 1,564.54 : x
  2. Step 2: Convert to fraction form
    2,743.45/3,785.97 = 1,564.54/x
  3. Step 3: Cross multiply
    2,743.45x = 3,785.97 × 1,564.54
  4. Step 4: Simplify right side
    2,743.45x = 5,923,301.50
  5. Step 5: Solve for x
    x = 5,923,301.50/2,743.45
  6. Step 6: Final answer
    x = 2,159.07

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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.