Home / 2,021.14-2,785.99-1,851.64

Finding the Fourth Proportional to 2,021.14, 2,785.99 and 1,851.64

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Solution

The fourth proportional to 2,021.14, 2,785.99 and 1,851.64 is: 2,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.14 : 2,785.99 = 1,851.64 : x
  2. Step 2: Convert to fraction form
    2,021.14/2,785.99 = 1,851.64/x
  3. Step 3: Cross multiply
    2,021.14x = 2,785.99 × 1,851.64
  4. Step 4: Simplify right side
    2,021.14x = 5,158,650.52
  5. Step 5: Solve for x
    x = 5,158,650.52/2,021.14
  6. Step 6: Final answer
    x = 2,552.35

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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.