Home / 3,205.04-4,422.48-1,788.54

Finding the Fourth Proportional to 3,205.04, 4,422.48 and 1,788.54

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Solution

The fourth proportional to 3,205.04, 4,422.48 and 1,788.54 is: 2,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.04 : 4,422.48 = 1,788.54 : x
  2. Step 2: Convert to fraction form
    3,205.04/4,422.48 = 1,788.54/x
  3. Step 3: Cross multiply
    3,205.04x = 4,422.48 × 1,788.54
  4. Step 4: Simplify right side
    3,205.04x = 7,909,782.38
  5. Step 5: Solve for x
    x = 7,909,782.38/3,205.04
  6. Step 6: Final answer
    x = 2,467.92

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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.