Home / 2,540.07-3,809.84-1,079.01

Finding the Fourth Proportional to 2,540.07, 3,809.84 and 1,079.01

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Solution

The fourth proportional to 2,540.07, 3,809.84 and 1,079.01 is: 1,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.07 : 3,809.84 = 1,079.01 : x
  2. Step 2: Convert to fraction form
    2,540.07/3,809.84 = 1,079.01/x
  3. Step 3: Cross multiply
    2,540.07x = 3,809.84 × 1,079.01
  4. Step 4: Simplify right side
    2,540.07x = 4,110,850.06
  5. Step 5: Solve for x
    x = 4,110,850.06/2,540.07
  6. Step 6: Final answer
    x = 1,618.40

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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.