Home / 3,379.80-4,664.01-1,846.65

Finding the Fourth Proportional to 3,379.80, 4,664.01 and 1,846.65

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Solution

The fourth proportional to 3,379.80, 4,664.01 and 1,846.65 is: 2,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.80 : 4,664.01 = 1,846.65 : x
  2. Step 2: Convert to fraction form
    3,379.80/4,664.01 = 1,846.65/x
  3. Step 3: Cross multiply
    3,379.80x = 4,664.01 × 1,846.65
  4. Step 4: Simplify right side
    3,379.80x = 8,612,794.07
  5. Step 5: Solve for x
    x = 8,612,794.07/3,379.80
  6. Step 6: Final answer
    x = 2,548.31

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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.