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Finding the Fourth Proportional to 1,840.50, 2,540.72 and 1,094.70

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Solution

The fourth proportional to 1,840.50, 2,540.72 and 1,094.70 is: 1,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.50 : 2,540.72 = 1,094.70 : x
  2. Step 2: Convert to fraction form
    1,840.50/2,540.72 = 1,094.70/x
  3. Step 3: Cross multiply
    1,840.50x = 2,540.72 × 1,094.70
  4. Step 4: Simplify right side
    1,840.50x = 2,781,326.18
  5. Step 5: Solve for x
    x = 2,781,326.18/1,840.50
  6. Step 6: Final answer
    x = 1,511.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.