Home / 1,474.36-2,022.48-1,394.90

Finding the Fourth Proportional to 1,474.36, 2,022.48 and 1,394.90

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Solution

The fourth proportional to 1,474.36, 2,022.48 and 1,394.90 is: 1,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.36 : 2,022.48 = 1,394.90 : x
  2. Step 2: Convert to fraction form
    1,474.36/2,022.48 = 1,394.90/x
  3. Step 3: Cross multiply
    1,474.36x = 2,022.48 × 1,394.90
  4. Step 4: Simplify right side
    1,474.36x = 2,821,157.35
  5. Step 5: Solve for x
    x = 2,821,157.35/1,474.36
  6. Step 6: Final answer
    x = 1,913.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.