Home / 2,568.36-3,560.70-2,478.27

Finding the Fourth Proportional to 2,568.36, 3,560.70 and 2,478.27

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Solution

The fourth proportional to 2,568.36, 3,560.70 and 2,478.27 is: 3,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.36 : 3,560.70 = 2,478.27 : x
  2. Step 2: Convert to fraction form
    2,568.36/3,560.70 = 2,478.27/x
  3. Step 3: Cross multiply
    2,568.36x = 3,560.70 × 2,478.27
  4. Step 4: Simplify right side
    2,568.36x = 8,824,375.99
  5. Step 5: Solve for x
    x = 8,824,375.99/2,568.36
  6. Step 6: Final answer
    x = 3,435.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.