Home / 3,011.22-4,520.07-1,281.06

Finding the Fourth Proportional to 3,011.22, 4,520.07 and 1,281.06

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Solution

The fourth proportional to 3,011.22, 4,520.07 and 1,281.06 is: 1,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.22 : 4,520.07 = 1,281.06 : x
  2. Step 2: Convert to fraction form
    3,011.22/4,520.07 = 1,281.06/x
  3. Step 3: Cross multiply
    3,011.22x = 4,520.07 × 1,281.06
  4. Step 4: Simplify right side
    3,011.22x = 5,790,480.87
  5. Step 5: Solve for x
    x = 5,790,480.87/3,011.22
  6. Step 6: Final answer
    x = 1,922.97

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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.