Home / 3,290.07-4,540.37-1,873.65

Finding the Fourth Proportional to 3,290.07, 4,540.37 and 1,873.65

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Solution

The fourth proportional to 3,290.07, 4,540.37 and 1,873.65 is: 2,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.07 : 4,540.37 = 1,873.65 : x
  2. Step 2: Convert to fraction form
    3,290.07/4,540.37 = 1,873.65/x
  3. Step 3: Cross multiply
    3,290.07x = 4,540.37 × 1,873.65
  4. Step 4: Simplify right side
    3,290.07x = 8,507,054.88
  5. Step 5: Solve for x
    x = 8,507,054.88/3,290.07
  6. Step 6: Final answer
    x = 2,585.68

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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.