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Finding the Fourth Proportional to 2,220.35, 3,064.02 and 1,336

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Solution

The fourth proportional to 2,220.35, 3,064.02 and 1,336 is: 1,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.35 : 3,064.02 = 1,336 : x
  2. Step 2: Convert to fraction form
    2,220.35/3,064.02 = 1,336/x
  3. Step 3: Cross multiply
    2,220.35x = 3,064.02 × 1,336
  4. Step 4: Simplify right side
    2,220.35x = 4,093,530.72
  5. Step 5: Solve for x
    x = 4,093,530.72/2,220.35
  6. Step 6: Final answer
    x = 1,843.64

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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.