Home / 2,046.35-3,069.53-1,221.66

Finding the Fourth Proportional to 2,046.35, 3,069.53 and 1,221.66

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Solution

The fourth proportional to 2,046.35, 3,069.53 and 1,221.66 is: 1,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.35 : 3,069.53 = 1,221.66 : x
  2. Step 2: Convert to fraction form
    2,046.35/3,069.53 = 1,221.66/x
  3. Step 3: Cross multiply
    2,046.35x = 3,069.53 × 1,221.66
  4. Step 4: Simplify right side
    2,046.35x = 3,749,915.91
  5. Step 5: Solve for x
    x = 3,749,915.91/2,046.35
  6. Step 6: Final answer
    x = 1,832.49

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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.