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Finding the Fourth Proportional to 1,848.58, 2,773.73 and 808.45

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Solution

The fourth proportional to 1,848.58, 2,773.73 and 808.45 is: 1,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.58 : 2,773.73 = 808.45 : x
  2. Step 2: Convert to fraction form
    1,848.58/2,773.73 = 808.45/x
  3. Step 3: Cross multiply
    1,848.58x = 2,773.73 × 808.45
  4. Step 4: Simplify right side
    1,848.58x = 2,242,408.15
  5. Step 5: Solve for x
    x = 2,242,408.15/1,848.58
  6. Step 6: Final answer
    x = 1,213.05

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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.