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Finding the Fourth Proportional to 3,800.76, 5,701.06 and 1,203.63

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Solution

The fourth proportional to 3,800.76, 5,701.06 and 1,203.63 is: 1,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.76 : 5,701.06 = 1,203.63 : x
  2. Step 2: Convert to fraction form
    3,800.76/5,701.06 = 1,203.63/x
  3. Step 3: Cross multiply
    3,800.76x = 5,701.06 × 1,203.63
  4. Step 4: Simplify right side
    3,800.76x = 6,861,966.85
  5. Step 5: Solve for x
    x = 6,861,966.85/3,800.76
  6. Step 6: Final answer
    x = 1,805.42

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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.