Home / 3,749.09-5,622.45-1,557.28

Finding the Fourth Proportional to 3,749.09, 5,622.45 and 1,557.28

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Solution

The fourth proportional to 3,749.09, 5,622.45 and 1,557.28 is: 2,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.09 : 5,622.45 = 1,557.28 : x
  2. Step 2: Convert to fraction form
    3,749.09/5,622.45 = 1,557.28/x
  3. Step 3: Cross multiply
    3,749.09x = 5,622.45 × 1,557.28
  4. Step 4: Simplify right side
    3,749.09x = 8,755,730.12
  5. Step 5: Solve for x
    x = 8,755,730.12/3,749.09
  6. Step 6: Final answer
    x = 2,335.43

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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.