Home / 2,365.91-3,546.43-1,780.28

Finding the Fourth Proportional to 2,365.91, 3,546.43 and 1,780.28

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Solution

The fourth proportional to 2,365.91, 3,546.43 and 1,780.28 is: 2,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.91 : 3,546.43 = 1,780.28 : x
  2. Step 2: Convert to fraction form
    2,365.91/3,546.43 = 1,780.28/x
  3. Step 3: Cross multiply
    2,365.91x = 3,546.43 × 1,780.28
  4. Step 4: Simplify right side
    2,365.91x = 6,313,611.77
  5. Step 5: Solve for x
    x = 6,313,611.77/2,365.91
  6. Step 6: Final answer
    x = 2,668.58

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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.