Home / 3,226.60-4,452.90-1,810.75

Finding the Fourth Proportional to 3,226.60, 4,452.90 and 1,810.75

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Solution

The fourth proportional to 3,226.60, 4,452.90 and 1,810.75 is: 2,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.60 : 4,452.90 = 1,810.75 : x
  2. Step 2: Convert to fraction form
    3,226.60/4,452.90 = 1,810.75/x
  3. Step 3: Cross multiply
    3,226.60x = 4,452.90 × 1,810.75
  4. Step 4: Simplify right side
    3,226.60x = 8,063,088.68
  5. Step 5: Solve for x
    x = 8,063,088.68/3,226.60
  6. Step 6: Final answer
    x = 2,498.94

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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.