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Finding the Fourth Proportional to 2,437.08, 3,656.14 and 793.78

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Solution

The fourth proportional to 2,437.08, 3,656.14 and 793.78 is: 1,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.08 : 3,656.14 = 793.78 : x
  2. Step 2: Convert to fraction form
    2,437.08/3,656.14 = 793.78/x
  3. Step 3: Cross multiply
    2,437.08x = 3,656.14 × 793.78
  4. Step 4: Simplify right side
    2,437.08x = 2,902,170.81
  5. Step 5: Solve for x
    x = 2,902,170.81/2,437.08
  6. Step 6: Final answer
    x = 1,190.84

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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.