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Finding the Fourth Proportional to 1,840.94, 2,540.41 and 1,094.89

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Solution

The fourth proportional to 1,840.94, 2,540.41 and 1,094.89 is: 1,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.94 : 2,540.41 = 1,094.89 : x
  2. Step 2: Convert to fraction form
    1,840.94/2,540.41 = 1,094.89/x
  3. Step 3: Cross multiply
    1,840.94x = 2,540.41 × 1,094.89
  4. Step 4: Simplify right side
    1,840.94x = 2,781,451.33
  5. Step 5: Solve for x
    x = 2,781,451.33/1,840.94
  6. Step 6: Final answer
    x = 1,510.89

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Why These Related Problems?

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