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Finding the Fourth Proportional to 2,968, 4,095.87 and 1,641.79

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Solution

The fourth proportional to 2,968, 4,095.87 and 1,641.79 is: 2,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968 : 4,095.87 = 1,641.79 : x
  2. Step 2: Convert to fraction form
    2,968/4,095.87 = 1,641.79/x
  3. Step 3: Cross multiply
    2,968x = 4,095.87 × 1,641.79
  4. Step 4: Simplify right side
    2,968x = 6,724,558.41
  5. Step 5: Solve for x
    x = 6,724,558.41/2,968
  6. Step 6: Final answer
    x = 2,265.69

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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.