Home / 3,050.58-4,209.40-1,929.54

Finding the Fourth Proportional to 3,050.58, 4,209.40 and 1,929.54

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Solution

The fourth proportional to 3,050.58, 4,209.40 and 1,929.54 is: 2,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.58 : 4,209.40 = 1,929.54 : x
  2. Step 2: Convert to fraction form
    3,050.58/4,209.40 = 1,929.54/x
  3. Step 3: Cross multiply
    3,050.58x = 4,209.40 × 1,929.54
  4. Step 4: Simplify right side
    3,050.58x = 8,122,205.68
  5. Step 5: Solve for x
    x = 8,122,205.68/3,050.58
  6. Step 6: Final answer
    x = 2,662.51

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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.