Home / 1,924.36-2,881.82-1,228.98

Finding the Fourth Proportional to 1,924.36, 2,881.82 and 1,228.98

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Solution

The fourth proportional to 1,924.36, 2,881.82 and 1,228.98 is: 1,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.36 : 2,881.82 = 1,228.98 : x
  2. Step 2: Convert to fraction form
    1,924.36/2,881.82 = 1,228.98/x
  3. Step 3: Cross multiply
    1,924.36x = 2,881.82 × 1,228.98
  4. Step 4: Simplify right side
    1,924.36x = 3,541,678.59
  5. Step 5: Solve for x
    x = 3,541,678.59/1,924.36
  6. Step 6: Final answer
    x = 1,840.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.