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Finding the Fourth Proportional to 1,848.95, 2,772.06 and 873.92

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Solution

The fourth proportional to 1,848.95, 2,772.06 and 873.92 is: 1,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.95 : 2,772.06 = 873.92 : x
  2. Step 2: Convert to fraction form
    1,848.95/2,772.06 = 873.92/x
  3. Step 3: Cross multiply
    1,848.95x = 2,772.06 × 873.92
  4. Step 4: Simplify right side
    1,848.95x = 2,422,544.81
  5. Step 5: Solve for x
    x = 2,422,544.81/1,848.95
  6. Step 6: Final answer
    x = 1,310.23

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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.