Home / 2,011.20-3,014.25-1,084.86

Finding the Fourth Proportional to 2,011.20, 3,014.25 and 1,084.86

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Solution

The fourth proportional to 2,011.20, 3,014.25 and 1,084.86 is: 1,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.20 : 3,014.25 = 1,084.86 : x
  2. Step 2: Convert to fraction form
    2,011.20/3,014.25 = 1,084.86/x
  3. Step 3: Cross multiply
    2,011.20x = 3,014.25 × 1,084.86
  4. Step 4: Simplify right side
    2,011.20x = 3,270,039.26
  5. Step 5: Solve for x
    x = 3,270,039.26/2,011.20
  6. Step 6: Final answer
    x = 1,625.91

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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.