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Finding the Fourth Proportional to 1,266.69, 1,900.05 and 833.73

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Solution

The fourth proportional to 1,266.69, 1,900.05 and 833.73 is: 1,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.69 : 1,900.05 = 833.73 : x
  2. Step 2: Convert to fraction form
    1,266.69/1,900.05 = 833.73/x
  3. Step 3: Cross multiply
    1,266.69x = 1,900.05 × 833.73
  4. Step 4: Simplify right side
    1,266.69x = 1,584,128.69
  5. Step 5: Solve for x
    x = 1,584,128.69/1,266.69
  6. Step 6: Final answer
    x = 1,250.60

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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.