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Finding the Fourth Proportional to 3,354.93, 4,629.10 and 2,028.70

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Solution

The fourth proportional to 3,354.93, 4,629.10 and 2,028.70 is: 2,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.93 : 4,629.10 = 2,028.70 : x
  2. Step 2: Convert to fraction form
    3,354.93/4,629.10 = 2,028.70/x
  3. Step 3: Cross multiply
    3,354.93x = 4,629.10 × 2,028.70
  4. Step 4: Simplify right side
    3,354.93x = 9,391,055.17
  5. Step 5: Solve for x
    x = 9,391,055.17/3,354.93
  6. Step 6: Final answer
    x = 2,799.18

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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.