Home / 2,868.21-4,299.56-1,568.76

Finding the Fourth Proportional to 2,868.21, 4,299.56 and 1,568.76

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Solution

The fourth proportional to 2,868.21, 4,299.56 and 1,568.76 is: 2,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.21 : 4,299.56 = 1,568.76 : x
  2. Step 2: Convert to fraction form
    2,868.21/4,299.56 = 1,568.76/x
  3. Step 3: Cross multiply
    2,868.21x = 4,299.56 × 1,568.76
  4. Step 4: Simplify right side
    2,868.21x = 6,744,969.90
  5. Step 5: Solve for x
    x = 6,744,969.90/2,868.21
  6. Step 6: Final answer
    x = 2,351.63

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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.