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Finding the Fourth Proportional to 3,774.15, 5,661.09 and 1,000.83

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Solution

The fourth proportional to 3,774.15, 5,661.09 and 1,000.83 is: 1,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.15 : 5,661.09 = 1,000.83 : x
  2. Step 2: Convert to fraction form
    3,774.15/5,661.09 = 1,000.83/x
  3. Step 3: Cross multiply
    3,774.15x = 5,661.09 × 1,000.83
  4. Step 4: Simplify right side
    3,774.15x = 5,665,788.70
  5. Step 5: Solve for x
    x = 5,665,788.70/3,774.15
  6. Step 6: Final answer
    x = 1,501.21

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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.