Home / 2,261.12-3,392.73-1,028.30

Finding the Fourth Proportional to 2,261.12, 3,392.73 and 1,028.30

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Solution

The fourth proportional to 2,261.12, 3,392.73 and 1,028.30 is: 1,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.12 : 3,392.73 = 1,028.30 : x
  2. Step 2: Convert to fraction form
    2,261.12/3,392.73 = 1,028.30/x
  3. Step 3: Cross multiply
    2,261.12x = 3,392.73 × 1,028.30
  4. Step 4: Simplify right side
    2,261.12x = 3,488,744.26
  5. Step 5: Solve for x
    x = 3,488,744.26/2,261.12
  6. Step 6: Final answer
    x = 1,542.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.