Home / 2,217.87-3,326.36-984.50

Finding the Fourth Proportional to 2,217.87, 3,326.36 and 984.50

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Solution

The fourth proportional to 2,217.87, 3,326.36 and 984.50 is: 1,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.87 : 3,326.36 = 984.50 : x
  2. Step 2: Convert to fraction form
    2,217.87/3,326.36 = 984.50/x
  3. Step 3: Cross multiply
    2,217.87x = 3,326.36 × 984.50
  4. Step 4: Simplify right side
    2,217.87x = 3,274,779.87
  5. Step 5: Solve for x
    x = 3,274,779.87/2,217.87
  6. Step 6: Final answer
    x = 1,476.54

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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.