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Finding the Fourth Proportional to 3,046.93, 4,206.23 and 1,928.41

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Solution

The fourth proportional to 3,046.93, 4,206.23 and 1,928.41 is: 2,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.93 : 4,206.23 = 1,928.41 : x
  2. Step 2: Convert to fraction form
    3,046.93/4,206.23 = 1,928.41/x
  3. Step 3: Cross multiply
    3,046.93x = 4,206.23 × 1,928.41
  4. Step 4: Simplify right side
    3,046.93x = 8,111,326.35
  5. Step 5: Solve for x
    x = 8,111,326.35/3,046.93
  6. Step 6: Final answer
    x = 2,662.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.