Home / 2,021.76-2,786.40-1,496.88

Finding the Fourth Proportional to 2,021.76, 2,786.40 and 1,496.88

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Solution

The fourth proportional to 2,021.76, 2,786.40 and 1,496.88 is: 2,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.76 : 2,786.40 = 1,496.88 : x
  2. Step 2: Convert to fraction form
    2,021.76/2,786.40 = 1,496.88/x
  3. Step 3: Cross multiply
    2,021.76x = 2,786.40 × 1,496.88
  4. Step 4: Simplify right side
    2,021.76x = 4,170,906.43
  5. Step 5: Solve for x
    x = 4,170,906.43/2,021.76
  6. Step 6: Final answer
    x = 2,063.01

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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.