Home / 2,743.03-3,785.40-1,564.79

Finding the Fourth Proportional to 2,743.03, 3,785.40 and 1,564.79

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Solution

The fourth proportional to 2,743.03, 3,785.40 and 1,564.79 is: 2,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.03 : 3,785.40 = 1,564.79 : x
  2. Step 2: Convert to fraction form
    2,743.03/3,785.40 = 1,564.79/x
  3. Step 3: Cross multiply
    2,743.03x = 3,785.40 × 1,564.79
  4. Step 4: Simplify right side
    2,743.03x = 5,923,337.14
  5. Step 5: Solve for x
    x = 5,923,337.14/2,743.03
  6. Step 6: Final answer
    x = 2,159.41

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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.