Home / 1,848.97-2,550.18-1,289.44

Finding the Fourth Proportional to 1,848.97, 2,550.18 and 1,289.44

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Solution

The fourth proportional to 1,848.97, 2,550.18 and 1,289.44 is: 1,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.97 : 2,550.18 = 1,289.44 : x
  2. Step 2: Convert to fraction form
    1,848.97/2,550.18 = 1,289.44/x
  3. Step 3: Cross multiply
    1,848.97x = 2,550.18 × 1,289.44
  4. Step 4: Simplify right side
    1,848.97x = 3,288,304.10
  5. Step 5: Solve for x
    x = 3,288,304.10/1,848.97
  6. Step 6: Final answer
    x = 1,778.45

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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.