Home / 2,528.09-3,793.75-1,228.85

Finding the Fourth Proportional to 2,528.09, 3,793.75 and 1,228.85

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Solution

The fourth proportional to 2,528.09, 3,793.75 and 1,228.85 is: 1,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.09 : 3,793.75 = 1,228.85 : x
  2. Step 2: Convert to fraction form
    2,528.09/3,793.75 = 1,228.85/x
  3. Step 3: Cross multiply
    2,528.09x = 3,793.75 × 1,228.85
  4. Step 4: Simplify right side
    2,528.09x = 4,661,927.65
  5. Step 5: Solve for x
    x = 4,661,927.65/2,528.09
  6. Step 6: Final answer
    x = 1,844.05

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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.