Home / 3,520.66-4,858.48-2,028.04

Finding the Fourth Proportional to 3,520.66, 4,858.48 and 2,028.04

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Solution

The fourth proportional to 3,520.66, 4,858.48 and 2,028.04 is: 2,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.66 : 4,858.48 = 2,028.04 : x
  2. Step 2: Convert to fraction form
    3,520.66/4,858.48 = 2,028.04/x
  3. Step 3: Cross multiply
    3,520.66x = 4,858.48 × 2,028.04
  4. Step 4: Simplify right side
    3,520.66x = 9,853,191.78
  5. Step 5: Solve for x
    x = 9,853,191.78/3,520.66
  6. Step 6: Final answer
    x = 2,798.68

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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.