Home / 2,976.80-4,464.63-1,028.60

Finding the Fourth Proportional to 2,976.80, 4,464.63 and 1,028.60

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Solution

The fourth proportional to 2,976.80, 4,464.63 and 1,028.60 is: 1,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.80 : 4,464.63 = 1,028.60 : x
  2. Step 2: Convert to fraction form
    2,976.80/4,464.63 = 1,028.60/x
  3. Step 3: Cross multiply
    2,976.80x = 4,464.63 × 1,028.60
  4. Step 4: Simplify right side
    2,976.80x = 4,592,318.42
  5. Step 5: Solve for x
    x = 4,592,318.42/2,976.80
  6. Step 6: Final answer
    x = 1,542.70

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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.