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Finding the Fourth Proportional to 3,250.69, 4,485.78 and 1,834.39

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Solution

The fourth proportional to 3,250.69, 4,485.78 and 1,834.39 is: 2,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.69 : 4,485.78 = 1,834.39 : x
  2. Step 2: Convert to fraction form
    3,250.69/4,485.78 = 1,834.39/x
  3. Step 3: Cross multiply
    3,250.69x = 4,485.78 × 1,834.39
  4. Step 4: Simplify right side
    3,250.69x = 8,228,658.76
  5. Step 5: Solve for x
    x = 8,228,658.76/3,250.69
  6. Step 6: Final answer
    x = 2,531.36

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Double scale
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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.