Home / 3,749.69-5,625.25-1,284.86

Finding the Fourth Proportional to 3,749.69, 5,625.25 and 1,284.86

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Solution

The fourth proportional to 3,749.69, 5,625.25 and 1,284.86 is: 1,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.69 : 5,625.25 = 1,284.86 : x
  2. Step 2: Convert to fraction form
    3,749.69/5,625.25 = 1,284.86/x
  3. Step 3: Cross multiply
    3,749.69x = 5,625.25 × 1,284.86
  4. Step 4: Simplify right side
    3,749.69x = 7,227,669.57
  5. Step 5: Solve for x
    x = 7,227,669.57/3,749.69
  6. Step 6: Final answer
    x = 1,927.54

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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.