Home / 2,928.74-4,394.19-1,369.25

Finding the Fourth Proportional to 2,928.74, 4,394.19 and 1,369.25

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Solution

The fourth proportional to 2,928.74, 4,394.19 and 1,369.25 is: 2,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.74 : 4,394.19 = 1,369.25 : x
  2. Step 2: Convert to fraction form
    2,928.74/4,394.19 = 1,369.25/x
  3. Step 3: Cross multiply
    2,928.74x = 4,394.19 × 1,369.25
  4. Step 4: Simplify right side
    2,928.74x = 6,016,744.30
  5. Step 5: Solve for x
    x = 6,016,744.30/2,928.74
  6. Step 6: Final answer
    x = 2,054.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.