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Finding the Fourth Proportional to 1,705.08, 2,558.39 and 883.95

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Solution

The fourth proportional to 1,705.08, 2,558.39 and 883.95 is: 1,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.08 : 2,558.39 = 883.95 : x
  2. Step 2: Convert to fraction form
    1,705.08/2,558.39 = 883.95/x
  3. Step 3: Cross multiply
    1,705.08x = 2,558.39 × 883.95
  4. Step 4: Simplify right side
    1,705.08x = 2,261,474.83
  5. Step 5: Solve for x
    x = 2,261,474.83/1,705.08
  6. Step 6: Final answer
    x = 1,326.31

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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.