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Finding the Fourth Proportional to 1,753.44, 2,630.16 and 1,068

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Solution

The fourth proportional to 1,753.44, 2,630.16 and 1,068 is: 1,602

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.44 : 2,630.16 = 1,068 : x
  2. Step 2: Convert to fraction form
    1,753.44/2,630.16 = 1,068/x
  3. Step 3: Cross multiply
    1,753.44x = 2,630.16 × 1,068
  4. Step 4: Simplify right side
    1,753.44x = 2,809,010.88
  5. Step 5: Solve for x
    x = 2,809,010.88/1,753.44
  6. Step 6: Final answer
    x = 1,602

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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.