Home / 3,280.44-4,920.46-1,332.59

Finding the Fourth Proportional to 3,280.44, 4,920.46 and 1,332.59

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Solution

The fourth proportional to 3,280.44, 4,920.46 and 1,332.59 is: 1,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.44 : 4,920.46 = 1,332.59 : x
  2. Step 2: Convert to fraction form
    3,280.44/4,920.46 = 1,332.59/x
  3. Step 3: Cross multiply
    3,280.44x = 4,920.46 × 1,332.59
  4. Step 4: Simplify right side
    3,280.44x = 6,556,971.25
  5. Step 5: Solve for x
    x = 6,556,971.25/3,280.44
  6. Step 6: Final answer
    x = 1,998.81

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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.