Home / 3,354.95-4,629.12-2,028.39

Finding the Fourth Proportional to 3,354.95, 4,629.12 and 2,028.39

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Solution

The fourth proportional to 3,354.95, 4,629.12 and 2,028.39 is: 2,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.95 : 4,629.12 = 2,028.39 : x
  2. Step 2: Convert to fraction form
    3,354.95/4,629.12 = 2,028.39/x
  3. Step 3: Cross multiply
    3,354.95x = 4,629.12 × 2,028.39
  4. Step 4: Simplify right side
    3,354.95x = 9,389,660.72
  5. Step 5: Solve for x
    x = 9,389,660.72/3,354.95
  6. Step 6: Final answer
    x = 2,798.75

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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.