Home / 2,146.24-2,961.75-1,261.99

Finding the Fourth Proportional to 2,146.24, 2,961.75 and 1,261.99

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Solution

The fourth proportional to 2,146.24, 2,961.75 and 1,261.99 is: 1,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.24 : 2,961.75 = 1,261.99 : x
  2. Step 2: Convert to fraction form
    2,146.24/2,961.75 = 1,261.99/x
  3. Step 3: Cross multiply
    2,146.24x = 2,961.75 × 1,261.99
  4. Step 4: Simplify right side
    2,146.24x = 3,737,698.88
  5. Step 5: Solve for x
    x = 3,737,698.88/2,146.24
  6. Step 6: Final answer
    x = 1,741.51

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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.