Home / 2,021.64-2,786.68-1,852.15

Finding the Fourth Proportional to 2,021.64, 2,786.68 and 1,852.15

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Solution

The fourth proportional to 2,021.64, 2,786.68 and 1,852.15 is: 2,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.64 : 2,786.68 = 1,852.15 : x
  2. Step 2: Convert to fraction form
    2,021.64/2,786.68 = 1,852.15/x
  3. Step 3: Cross multiply
    2,021.64x = 2,786.68 × 1,852.15
  4. Step 4: Simplify right side
    2,021.64x = 5,161,335.43
  5. Step 5: Solve for x
    x = 5,161,335.43/2,021.64
  6. Step 6: Final answer
    x = 2,553.05

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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.