Home / 2,568.12-3,821.43-2,559.48

Finding the Fourth Proportional to 2,568.12, 3,821.43 and 2,559.48

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Solution

The fourth proportional to 2,568.12, 3,821.43 and 2,559.48 is: 3,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.12 : 3,821.43 = 2,559.48 : x
  2. Step 2: Convert to fraction form
    2,568.12/3,821.43 = 2,559.48/x
  3. Step 3: Cross multiply
    2,568.12x = 3,821.43 × 2,559.48
  4. Step 4: Simplify right side
    2,568.12x = 9,780,873.66
  5. Step 5: Solve for x
    x = 9,780,873.66/2,568.12
  6. Step 6: Final answer
    x = 3,808.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.