Home / 3,326.28-4,590.04-1,999.68

Finding the Fourth Proportional to 3,326.28, 4,590.04 and 1,999.68

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Solution

The fourth proportional to 3,326.28, 4,590.04 and 1,999.68 is: 2,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.28 : 4,590.04 = 1,999.68 : x
  2. Step 2: Convert to fraction form
    3,326.28/4,590.04 = 1,999.68/x
  3. Step 3: Cross multiply
    3,326.28x = 4,590.04 × 1,999.68
  4. Step 4: Simplify right side
    3,326.28x = 9,178,611.19
  5. Step 5: Solve for x
    x = 9,178,611.19/3,326.28
  6. Step 6: Final answer
    x = 2,759.42

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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.