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Finding the Fourth Proportional to 3,508.77, 5,262 and 1,168.15

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Solution

The fourth proportional to 3,508.77, 5,262 and 1,168.15 is: 1,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.77 : 5,262 = 1,168.15 : x
  2. Step 2: Convert to fraction form
    3,508.77/5,262 = 1,168.15/x
  3. Step 3: Cross multiply
    3,508.77x = 5,262 × 1,168.15
  4. Step 4: Simplify right side
    3,508.77x = 6,146,805.30
  5. Step 5: Solve for x
    x = 6,146,805.30/3,508.77
  6. Step 6: Final answer
    x = 1,751.84

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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.