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Finding the Fourth Proportional to 1,883.63, 2,599.41 and 1,055.63

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Solution

The fourth proportional to 1,883.63, 2,599.41 and 1,055.63 is: 1,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.63 : 2,599.41 = 1,055.63 : x
  2. Step 2: Convert to fraction form
    1,883.63/2,599.41 = 1,055.63/x
  3. Step 3: Cross multiply
    1,883.63x = 2,599.41 × 1,055.63
  4. Step 4: Simplify right side
    1,883.63x = 2,744,002.18
  5. Step 5: Solve for x
    x = 2,744,002.18/1,883.63
  6. Step 6: Final answer
    x = 1,456.77

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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.