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Finding the Fourth Proportional to 1,843.44, 2,543.94 and 1,004.19

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Solution

The fourth proportional to 1,843.44, 2,543.94 and 1,004.19 is: 1,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.44 : 2,543.94 = 1,004.19 : x
  2. Step 2: Convert to fraction form
    1,843.44/2,543.94 = 1,004.19/x
  3. Step 3: Cross multiply
    1,843.44x = 2,543.94 × 1,004.19
  4. Step 4: Simplify right side
    1,843.44x = 2,554,599.11
  5. Step 5: Solve for x
    x = 2,554,599.11/1,843.44
  6. Step 6: Final answer
    x = 1,385.78

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1.5x scale

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.