Home / 3,755.64-5,633.76-1,290.62

Finding the Fourth Proportional to 3,755.64, 5,633.76 and 1,290.62

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Solution

The fourth proportional to 3,755.64, 5,633.76 and 1,290.62 is: 1,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.64 : 5,633.76 = 1,290.62 : x
  2. Step 2: Convert to fraction form
    3,755.64/5,633.76 = 1,290.62/x
  3. Step 3: Cross multiply
    3,755.64x = 5,633.76 × 1,290.62
  4. Step 4: Simplify right side
    3,755.64x = 7,271,043.33
  5. Step 5: Solve for x
    x = 7,271,043.33/3,755.64
  6. Step 6: Final answer
    x = 1,936.03

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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.