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Finding the Fourth Proportional to 3,051.87, 4,577.80 and 743.37

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Solution

The fourth proportional to 3,051.87, 4,577.80 and 743.37 is: 1,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.87 : 4,577.80 = 743.37 : x
  2. Step 2: Convert to fraction form
    3,051.87/4,577.80 = 743.37/x
  3. Step 3: Cross multiply
    3,051.87x = 4,577.80 × 743.37
  4. Step 4: Simplify right side
    3,051.87x = 3,402,976.30
  5. Step 5: Solve for x
    x = 3,402,976.30/3,051.87
  6. Step 6: Final answer
    x = 1,115.05

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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.