Home / 3,550.90-5,326.80-1,905.19

Finding the Fourth Proportional to 3,550.90, 5,326.80 and 1,905.19

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Solution

The fourth proportional to 3,550.90, 5,326.80 and 1,905.19 is: 2,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.90 : 5,326.80 = 1,905.19 : x
  2. Step 2: Convert to fraction form
    3,550.90/5,326.80 = 1,905.19/x
  3. Step 3: Cross multiply
    3,550.90x = 5,326.80 × 1,905.19
  4. Step 4: Simplify right side
    3,550.90x = 10,148,566.09
  5. Step 5: Solve for x
    x = 10,148,566.09/3,550.90
  6. Step 6: Final answer
    x = 2,858.03

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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.