Home / 3,217.92-4,827.36-1,485.60

Finding the Fourth Proportional to 3,217.92, 4,827.36 and 1,485.60

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Solution

The fourth proportional to 3,217.92, 4,827.36 and 1,485.60 is: 2,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.92 : 4,827.36 = 1,485.60 : x
  2. Step 2: Convert to fraction form
    3,217.92/4,827.36 = 1,485.60/x
  3. Step 3: Cross multiply
    3,217.92x = 4,827.36 × 1,485.60
  4. Step 4: Simplify right side
    3,217.92x = 7,171,526.02
  5. Step 5: Solve for x
    x = 7,171,526.02/3,217.92
  6. Step 6: Final answer
    x = 2,228.62

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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.