Home / 2,256.73-3,114.21-1,261.99

Finding the Fourth Proportional to 2,256.73, 3,114.21 and 1,261.99

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Solution

The fourth proportional to 2,256.73, 3,114.21 and 1,261.99 is: 1,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.73 : 3,114.21 = 1,261.99 : x
  2. Step 2: Convert to fraction form
    2,256.73/3,114.21 = 1,261.99/x
  3. Step 3: Cross multiply
    2,256.73x = 3,114.21 × 1,261.99
  4. Step 4: Simplify right side
    2,256.73x = 3,930,101.88
  5. Step 5: Solve for x
    x = 3,930,101.88/2,256.73
  6. Step 6: Final answer
    x = 1,741.50

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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.