Home / 1,954.30-2,696.94-1,070.14

Finding the Fourth Proportional to 1,954.30, 2,696.94 and 1,070.14

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Solution

The fourth proportional to 1,954.30, 2,696.94 and 1,070.14 is: 1,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.30 : 2,696.94 = 1,070.14 : x
  2. Step 2: Convert to fraction form
    1,954.30/2,696.94 = 1,070.14/x
  3. Step 3: Cross multiply
    1,954.30x = 2,696.94 × 1,070.14
  4. Step 4: Simplify right side
    1,954.30x = 2,886,103.37
  5. Step 5: Solve for x
    x = 2,886,103.37/1,954.30
  6. Step 6: Final answer
    x = 1,476.80

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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.