Home / 1,891.37-2,836.19-1,013.73

Finding the Fourth Proportional to 1,891.37, 2,836.19 and 1,013.73

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Solution

The fourth proportional to 1,891.37, 2,836.19 and 1,013.73 is: 1,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.37 : 2,836.19 = 1,013.73 : x
  2. Step 2: Convert to fraction form
    1,891.37/2,836.19 = 1,013.73/x
  3. Step 3: Cross multiply
    1,891.37x = 2,836.19 × 1,013.73
  4. Step 4: Simplify right side
    1,891.37x = 2,875,125.82
  5. Step 5: Solve for x
    x = 2,875,125.82/1,891.37
  6. Step 6: Final answer
    x = 1,520.13

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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.