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Finding the Fourth Proportional to 2,664.62, 3,999.02 and 1,848.63

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Solution

The fourth proportional to 2,664.62, 3,999.02 and 1,848.63 is: 2,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.62 : 3,999.02 = 1,848.63 : x
  2. Step 2: Convert to fraction form
    2,664.62/3,999.02 = 1,848.63/x
  3. Step 3: Cross multiply
    2,664.62x = 3,999.02 × 1,848.63
  4. Step 4: Simplify right side
    2,664.62x = 7,392,699.10
  5. Step 5: Solve for x
    x = 7,392,699.10/2,664.62
  6. Step 6: Final answer
    x = 2,774.40

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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.