Home / 3,289.00-4,537.28-1,890.94

Finding the Fourth Proportional to 3,289.00, 4,537.28 and 1,890.94

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Solution

The fourth proportional to 3,289.00, 4,537.28 and 1,890.94 is: 2,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.00 : 4,537.28 = 1,890.94 : x
  2. Step 2: Convert to fraction form
    3,289.00/4,537.28 = 1,890.94/x
  3. Step 3: Cross multiply
    3,289.00x = 4,537.28 × 1,890.94
  4. Step 4: Simplify right side
    3,289.00x = 8,579,717.63
  5. Step 5: Solve for x
    x = 8,579,717.63/3,289.00
  6. Step 6: Final answer
    x = 2,608.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.