Home / 1,954.78-2,696.83-1,169.08

Finding the Fourth Proportional to 1,954.78, 2,696.83 and 1,169.08

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Solution

The fourth proportional to 1,954.78, 2,696.83 and 1,169.08 is: 1,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.78 : 2,696.83 = 1,169.08 : x
  2. Step 2: Convert to fraction form
    1,954.78/2,696.83 = 1,169.08/x
  3. Step 3: Cross multiply
    1,954.78x = 2,696.83 × 1,169.08
  4. Step 4: Simplify right side
    1,954.78x = 3,152,810.02
  5. Step 5: Solve for x
    x = 3,152,810.02/1,954.78
  6. Step 6: Final answer
    x = 1,612.87

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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.