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Finding the Fourth Proportional to 1,848.78, 2,773.16 and 1,802.32

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Solution

The fourth proportional to 1,848.78, 2,773.16 and 1,802.32 is: 2,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.78 : 2,773.16 = 1,802.32 : x
  2. Step 2: Convert to fraction form
    1,848.78/2,773.16 = 1,802.32/x
  3. Step 3: Cross multiply
    1,848.78x = 2,773.16 × 1,802.32
  4. Step 4: Simplify right side
    1,848.78x = 4,998,121.73
  5. Step 5: Solve for x
    x = 4,998,121.73/1,848.78
  6. Step 6: Final answer
    x = 2,703.47

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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.