Home / 3,280.36-4,922.60-1,332.56

Finding the Fourth Proportional to 3,280.36, 4,922.60 and 1,332.56

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Solution

The fourth proportional to 3,280.36, 4,922.60 and 1,332.56 is: 1,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.36 : 4,922.60 = 1,332.56 : x
  2. Step 2: Convert to fraction form
    3,280.36/4,922.60 = 1,332.56/x
  3. Step 3: Cross multiply
    3,280.36x = 4,922.60 × 1,332.56
  4. Step 4: Simplify right side
    3,280.36x = 6,559,659.86
  5. Step 5: Solve for x
    x = 6,559,659.86/3,280.36
  6. Step 6: Final answer
    x = 1,999.68

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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.