Home / 3,226.85-4,454.60-2,430.48

Finding the Fourth Proportional to 3,226.85, 4,454.60 and 2,430.48

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Solution

The fourth proportional to 3,226.85, 4,454.60 and 2,430.48 is: 3,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.85 : 4,454.60 = 2,430.48 : x
  2. Step 2: Convert to fraction form
    3,226.85/4,454.60 = 2,430.48/x
  3. Step 3: Cross multiply
    3,226.85x = 4,454.60 × 2,430.48
  4. Step 4: Simplify right side
    3,226.85x = 10,826,804.06
  5. Step 5: Solve for x
    x = 10,826,804.06/3,226.85
  6. Step 6: Final answer
    x = 3,355.23

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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.