Home / 3,204.18-4,421.84-1,788.09

Finding the Fourth Proportional to 3,204.18, 4,421.84 and 1,788.09

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Solution

The fourth proportional to 3,204.18, 4,421.84 and 1,788.09 is: 2,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.18 : 4,421.84 = 1,788.09 : x
  2. Step 2: Convert to fraction form
    3,204.18/4,421.84 = 1,788.09/x
  3. Step 3: Cross multiply
    3,204.18x = 4,421.84 × 1,788.09
  4. Step 4: Simplify right side
    3,204.18x = 7,906,647.89
  5. Step 5: Solve for x
    x = 7,906,647.89/3,204.18
  6. Step 6: Final answer
    x = 2,467.60

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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.