Home / 2,031.24-2,804.48-1,891.73

Finding the Fourth Proportional to 2,031.24, 2,804.48 and 1,891.73

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Solution

The fourth proportional to 2,031.24, 2,804.48 and 1,891.73 is: 2,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.24 : 2,804.48 = 1,891.73 : x
  2. Step 2: Convert to fraction form
    2,031.24/2,804.48 = 1,891.73/x
  3. Step 3: Cross multiply
    2,031.24x = 2,804.48 × 1,891.73
  4. Step 4: Simplify right side
    2,031.24x = 5,305,295.47
  5. Step 5: Solve for x
    x = 5,305,295.47/2,031.24
  6. Step 6: Final answer
    x = 2,611.85

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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.