Home / 1,954.19-2,696.81-1,070.07

Finding the Fourth Proportional to 1,954.19, 2,696.81 and 1,070.07

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Solution

The fourth proportional to 1,954.19, 2,696.81 and 1,070.07 is: 1,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.19 : 2,696.81 = 1,070.07 : x
  2. Step 2: Convert to fraction form
    1,954.19/2,696.81 = 1,070.07/x
  3. Step 3: Cross multiply
    1,954.19x = 2,696.81 × 1,070.07
  4. Step 4: Simplify right side
    1,954.19x = 2,885,770.13
  5. Step 5: Solve for x
    x = 2,885,770.13/1,954.19
  6. Step 6: Final answer
    x = 1,476.71

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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.