Home / 1,951.44-2,928.60-1,571.28

Finding the Fourth Proportional to 1,951.44, 2,928.60 and 1,571.28

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Solution

The fourth proportional to 1,951.44, 2,928.60 and 1,571.28 is: 2,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.44 : 2,928.60 = 1,571.28 : x
  2. Step 2: Convert to fraction form
    1,951.44/2,928.60 = 1,571.28/x
  3. Step 3: Cross multiply
    1,951.44x = 2,928.60 × 1,571.28
  4. Step 4: Simplify right side
    1,951.44x = 4,601,650.61
  5. Step 5: Solve for x
    x = 4,601,650.61/1,951.44
  6. Step 6: Final answer
    x = 2,358.08

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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.