Home / 3,209.58-4,429.26-1,812.33

Finding the Fourth Proportional to 3,209.58, 4,429.26 and 1,812.33

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Solution

The fourth proportional to 3,209.58, 4,429.26 and 1,812.33 is: 2,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.58 : 4,429.26 = 1,812.33 : x
  2. Step 2: Convert to fraction form
    3,209.58/4,429.26 = 1,812.33/x
  3. Step 3: Cross multiply
    3,209.58x = 4,429.26 × 1,812.33
  4. Step 4: Simplify right side
    3,209.58x = 8,027,280.78
  5. Step 5: Solve for x
    x = 8,027,280.78/3,209.58
  6. Step 6: Final answer
    x = 2,501.04

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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.