Home / 2,837.07-3,907.80-2,388.39

Finding the Fourth Proportional to 2,837.07, 3,907.80 and 2,388.39

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Solution

The fourth proportional to 2,837.07, 3,907.80 and 2,388.39 is: 3,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.07 : 3,907.80 = 2,388.39 : x
  2. Step 2: Convert to fraction form
    2,837.07/3,907.80 = 2,388.39/x
  3. Step 3: Cross multiply
    2,837.07x = 3,907.80 × 2,388.39
  4. Step 4: Simplify right side
    2,837.07x = 9,333,350.44
  5. Step 5: Solve for x
    x = 9,333,350.44/2,837.07
  6. Step 6: Final answer
    x = 3,289.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.