Home / 2,011.08-3,021.90-1,087.26

Finding the Fourth Proportional to 2,011.08, 3,021.90 and 1,087.26

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Solution

The fourth proportional to 2,011.08, 3,021.90 and 1,087.26 is: 1,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.08 : 3,021.90 = 1,087.26 : x
  2. Step 2: Convert to fraction form
    2,011.08/3,021.90 = 1,087.26/x
  3. Step 3: Cross multiply
    2,011.08x = 3,021.90 × 1,087.26
  4. Step 4: Simplify right side
    2,011.08x = 3,285,590.99
  5. Step 5: Solve for x
    x = 3,285,590.99/2,011.08
  6. Step 6: Final answer
    x = 1,633.74

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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.