Home / 2,868.16-4,302.26-1,019.20

Finding the Fourth Proportional to 2,868.16, 4,302.26 and 1,019.20

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Solution

The fourth proportional to 2,868.16, 4,302.26 and 1,019.20 is: 1,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.16 : 4,302.26 = 1,019.20 : x
  2. Step 2: Convert to fraction form
    2,868.16/4,302.26 = 1,019.20/x
  3. Step 3: Cross multiply
    2,868.16x = 4,302.26 × 1,019.20
  4. Step 4: Simplify right side
    2,868.16x = 4,384,836.78
  5. Step 5: Solve for x
    x = 4,384,836.78/2,868.16
  6. Step 6: Final answer
    x = 1,528.80

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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.