Home / 2,877.75-4,296.89-2,579.33

Finding the Fourth Proportional to 2,877.75, 4,296.89 and 2,579.33

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Solution

The fourth proportional to 2,877.75, 4,296.89 and 2,579.33 is: 3,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.75 : 4,296.89 = 2,579.33 : x
  2. Step 2: Convert to fraction form
    2,877.75/4,296.89 = 2,579.33/x
  3. Step 3: Cross multiply
    2,877.75x = 4,296.89 × 2,579.33
  4. Step 4: Simplify right side
    2,877.75x = 11,083,097.28
  5. Step 5: Solve for x
    x = 11,083,097.28/2,877.75
  6. Step 6: Final answer
    x = 3,851.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.