Home / 2,251.56-3,106.44-1,553.34

Finding the Fourth Proportional to 2,251.56, 3,106.44 and 1,553.34

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Solution

The fourth proportional to 2,251.56, 3,106.44 and 1,553.34 is: 2,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.56 : 3,106.44 = 1,553.34 : x
  2. Step 2: Convert to fraction form
    2,251.56/3,106.44 = 1,553.34/x
  3. Step 3: Cross multiply
    2,251.56x = 3,106.44 × 1,553.34
  4. Step 4: Simplify right side
    2,251.56x = 4,825,357.51
  5. Step 5: Solve for x
    x = 4,825,357.51/2,251.56
  6. Step 6: Final answer
    x = 2,143.12

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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.