Home / 2,097.36-2,893.72-1,212.84

Finding the Fourth Proportional to 2,097.36, 2,893.72 and 1,212.84

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Solution

The fourth proportional to 2,097.36, 2,893.72 and 1,212.84 is: 1,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.36 : 2,893.72 = 1,212.84 : x
  2. Step 2: Convert to fraction form
    2,097.36/2,893.72 = 1,212.84/x
  3. Step 3: Cross multiply
    2,097.36x = 2,893.72 × 1,212.84
  4. Step 4: Simplify right side
    2,097.36x = 3,509,619.36
  5. Step 5: Solve for x
    x = 3,509,619.36/2,097.36
  6. Step 6: Final answer
    x = 1,673.35

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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.