Home / 3,939.06-5,907.77-1,746.39

Finding the Fourth Proportional to 3,939.06, 5,907.77 and 1,746.39

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Solution

The fourth proportional to 3,939.06, 5,907.77 and 1,746.39 is: 2,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.06 : 5,907.77 = 1,746.39 : x
  2. Step 2: Convert to fraction form
    3,939.06/5,907.77 = 1,746.39/x
  3. Step 3: Cross multiply
    3,939.06x = 5,907.77 × 1,746.39
  4. Step 4: Simplify right side
    3,939.06x = 10,317,261.72
  5. Step 5: Solve for x
    x = 10,317,261.72/3,939.06
  6. Step 6: Final answer
    x = 2,619.22

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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.