Home / 1,954.13-2,696.69-1,126.13

Finding the Fourth Proportional to 1,954.13, 2,696.69 and 1,126.13

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Solution

The fourth proportional to 1,954.13, 2,696.69 and 1,126.13 is: 1,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.13 : 2,696.69 = 1,126.13 : x
  2. Step 2: Convert to fraction form
    1,954.13/2,696.69 = 1,126.13/x
  3. Step 3: Cross multiply
    1,954.13x = 2,696.69 × 1,126.13
  4. Step 4: Simplify right side
    1,954.13x = 3,036,812.84
  5. Step 5: Solve for x
    x = 3,036,812.84/1,954.13
  6. Step 6: Final answer
    x = 1,554.05

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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.