Home / 3,347.87-4,620.06-2,021.32

Finding the Fourth Proportional to 3,347.87, 4,620.06 and 2,021.32

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Solution

The fourth proportional to 3,347.87, 4,620.06 and 2,021.32 is: 2,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.87 : 4,620.06 = 2,021.32 : x
  2. Step 2: Convert to fraction form
    3,347.87/4,620.06 = 2,021.32/x
  3. Step 3: Cross multiply
    3,347.87x = 4,620.06 × 2,021.32
  4. Step 4: Simplify right side
    3,347.87x = 9,338,608.13
  5. Step 5: Solve for x
    x = 9,338,608.13/3,347.87
  6. Step 6: Final answer
    x = 2,789.42

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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.