Home / 3,556.80-4,907.40-2,297.91

Finding the Fourth Proportional to 3,556.80, 4,907.40 and 2,297.91

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Solution

The fourth proportional to 3,556.80, 4,907.40 and 2,297.91 is: 3,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.80 : 4,907.40 = 2,297.91 : x
  2. Step 2: Convert to fraction form
    3,556.80/4,907.40 = 2,297.91/x
  3. Step 3: Cross multiply
    3,556.80x = 4,907.40 × 2,297.91
  4. Step 4: Simplify right side
    3,556.80x = 11,276,739.00
  5. Step 5: Solve for x
    x = 11,276,739.00/3,556.80
  6. Step 6: Final answer
    x = 3,170.47

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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.