Home / 3,528.44-5,299.86-2,981.60

Finding the Fourth Proportional to 3,528.44, 5,299.86 and 2,981.60

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Solution

The fourth proportional to 3,528.44, 5,299.86 and 2,981.60 is: 4,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.44 : 5,299.86 = 2,981.60 : x
  2. Step 2: Convert to fraction form
    3,528.44/5,299.86 = 2,981.60/x
  3. Step 3: Cross multiply
    3,528.44x = 5,299.86 × 2,981.60
  4. Step 4: Simplify right side
    3,528.44x = 15,802,062.58
  5. Step 5: Solve for x
    x = 15,802,062.58/3,528.44
  6. Step 6: Final answer
    x = 4,478.48

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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.