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Finding the Fourth Proportional to 2,866, 4,300.92 and 1,042

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Solution

The fourth proportional to 2,866, 4,300.92 and 1,042 is: 1,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866 : 4,300.92 = 1,042 : x
  2. Step 2: Convert to fraction form
    2,866/4,300.92 = 1,042/x
  3. Step 3: Cross multiply
    2,866x = 4,300.92 × 1,042
  4. Step 4: Simplify right side
    2,866x = 4,481,558.64
  5. Step 5: Solve for x
    x = 4,481,558.64/2,866
  6. Step 6: Final answer
    x = 1,563.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.