Home / 3,788.10-5,228.55-3,394.44

Finding the Fourth Proportional to 3,788.10, 5,228.55 and 3,394.44

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Solution

The fourth proportional to 3,788.10, 5,228.55 and 3,394.44 is: 4,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.10 : 5,228.55 = 3,394.44 : x
  2. Step 2: Convert to fraction form
    3,788.10/5,228.55 = 3,394.44/x
  3. Step 3: Cross multiply
    3,788.10x = 5,228.55 × 3,394.44
  4. Step 4: Simplify right side
    3,788.10x = 17,747,999.26
  5. Step 5: Solve for x
    x = 17,747,999.26/3,788.10
  6. Step 6: Final answer
    x = 4,685.20

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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.