Home / 3,608.25-5,384.45-3,219.45

Finding the Fourth Proportional to 3,608.25, 5,384.45 and 3,219.45

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Solution

The fourth proportional to 3,608.25, 5,384.45 and 3,219.45 is: 4,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.25 : 5,384.45 = 3,219.45 : x
  2. Step 2: Convert to fraction form
    3,608.25/5,384.45 = 3,219.45/x
  3. Step 3: Cross multiply
    3,608.25x = 5,384.45 × 3,219.45
  4. Step 4: Simplify right side
    3,608.25x = 17,334,975.60
  5. Step 5: Solve for x
    x = 17,334,975.60/3,608.25
  6. Step 6: Final answer
    x = 4,804.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.