Home / 3,323.58-4,986.81-1,782.78

Finding the Fourth Proportional to 3,323.58, 4,986.81 and 1,782.78

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Solution

The fourth proportional to 3,323.58, 4,986.81 and 1,782.78 is: 2,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.58 : 4,986.81 = 1,782.78 : x
  2. Step 2: Convert to fraction form
    3,323.58/4,986.81 = 1,782.78/x
  3. Step 3: Cross multiply
    3,323.58x = 4,986.81 × 1,782.78
  4. Step 4: Simplify right side
    3,323.58x = 8,890,385.13
  5. Step 5: Solve for x
    x = 8,890,385.13/3,323.58
  6. Step 6: Final answer
    x = 2,674.94

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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.