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Finding the Fourth Proportional to 1,848.43, 2,772.04 and 615.50

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Solution

The fourth proportional to 1,848.43, 2,772.04 and 615.50 is: 923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.43 : 2,772.04 = 615.50 : x
  2. Step 2: Convert to fraction form
    1,848.43/2,772.04 = 615.50/x
  3. Step 3: Cross multiply
    1,848.43x = 2,772.04 × 615.50
  4. Step 4: Simplify right side
    1,848.43x = 1,706,190.62
  5. Step 5: Solve for x
    x = 1,706,190.62/1,848.43
  6. Step 6: Final answer
    x = 923.05

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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.