Home / 1,974.28-2,724.47-1,090.07

Finding the Fourth Proportional to 1,974.28, 2,724.47 and 1,090.07

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Solution

The fourth proportional to 1,974.28, 2,724.47 and 1,090.07 is: 1,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.28 : 2,724.47 = 1,090.07 : x
  2. Step 2: Convert to fraction form
    1,974.28/2,724.47 = 1,090.07/x
  3. Step 3: Cross multiply
    1,974.28x = 2,724.47 × 1,090.07
  4. Step 4: Simplify right side
    1,974.28x = 2,969,852.12
  5. Step 5: Solve for x
    x = 2,969,852.12/1,974.28
  6. Step 6: Final answer
    x = 1,504.27

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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.