Home / 3,515.44-5,275.36-1,323.96

Finding the Fourth Proportional to 3,515.44, 5,275.36 and 1,323.96

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Solution

The fourth proportional to 3,515.44, 5,275.36 and 1,323.96 is: 1,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.44 : 5,275.36 = 1,323.96 : x
  2. Step 2: Convert to fraction form
    3,515.44/5,275.36 = 1,323.96/x
  3. Step 3: Cross multiply
    3,515.44x = 5,275.36 × 1,323.96
  4. Step 4: Simplify right side
    3,515.44x = 6,984,365.63
  5. Step 5: Solve for x
    x = 6,984,365.63/3,515.44
  6. Step 6: Final answer
    x = 1,986.77

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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.