Home / 3,477.50-5,212.80-1,629.50

Finding the Fourth Proportional to 3,477.50, 5,212.80 and 1,629.50

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Solution

The fourth proportional to 3,477.50, 5,212.80 and 1,629.50 is: 2,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.50 : 5,212.80 = 1,629.50 : x
  2. Step 2: Convert to fraction form
    3,477.50/5,212.80 = 1,629.50/x
  3. Step 3: Cross multiply
    3,477.50x = 5,212.80 × 1,629.50
  4. Step 4: Simplify right side
    3,477.50x = 8,494,257.60
  5. Step 5: Solve for x
    x = 8,494,257.60/3,477.50
  6. Step 6: Final answer
    x = 2,442.63

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1.5x scale

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.