Home / 2,830.58-4,242.75-1,268.93

Finding the Fourth Proportional to 2,830.58, 4,242.75 and 1,268.93

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Solution

The fourth proportional to 2,830.58, 4,242.75 and 1,268.93 is: 1,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.58 : 4,242.75 = 1,268.93 : x
  2. Step 2: Convert to fraction form
    2,830.58/4,242.75 = 1,268.93/x
  3. Step 3: Cross multiply
    2,830.58x = 4,242.75 × 1,268.93
  4. Step 4: Simplify right side
    2,830.58x = 5,383,731.54
  5. Step 5: Solve for x
    x = 5,383,731.54/2,830.58
  6. Step 6: Final answer
    x = 1,901.99

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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.