Home / 3,219.11-4,829.58-1,245.35

Finding the Fourth Proportional to 3,219.11, 4,829.58 and 1,245.35

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Solution

The fourth proportional to 3,219.11, 4,829.58 and 1,245.35 is: 1,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.11 : 4,829.58 = 1,245.35 : x
  2. Step 2: Convert to fraction form
    3,219.11/4,829.58 = 1,245.35/x
  3. Step 3: Cross multiply
    3,219.11x = 4,829.58 × 1,245.35
  4. Step 4: Simplify right side
    3,219.11x = 6,014,493.31
  5. Step 5: Solve for x
    x = 6,014,493.31/3,219.11
  6. Step 6: Final answer
    x = 1,868.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.