Home / 3,749.22-5,623.29-1,557.09

Finding the Fourth Proportional to 3,749.22, 5,623.29 and 1,557.09

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Solution

The fourth proportional to 3,749.22, 5,623.29 and 1,557.09 is: 2,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.22 : 5,623.29 = 1,557.09 : x
  2. Step 2: Convert to fraction form
    3,749.22/5,623.29 = 1,557.09/x
  3. Step 3: Cross multiply
    3,749.22x = 5,623.29 × 1,557.09
  4. Step 4: Simplify right side
    3,749.22x = 8,755,968.63
  5. Step 5: Solve for x
    x = 8,755,968.63/3,749.22
  6. Step 6: Final answer
    x = 2,335.41

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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.