Home / 3,309.78-4,960.26-1,749.45

Finding the Fourth Proportional to 3,309.78, 4,960.26 and 1,749.45

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Solution

The fourth proportional to 3,309.78, 4,960.26 and 1,749.45 is: 2,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.78 : 4,960.26 = 1,749.45 : x
  2. Step 2: Convert to fraction form
    3,309.78/4,960.26 = 1,749.45/x
  3. Step 3: Cross multiply
    3,309.78x = 4,960.26 × 1,749.45
  4. Step 4: Simplify right side
    3,309.78x = 8,677,726.86
  5. Step 5: Solve for x
    x = 8,677,726.86/3,309.78
  6. Step 6: Final answer
    x = 2,621.84

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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.