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Finding the Fourth Proportional to 3,049.74, 4,580.01 and 2,805.74

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Solution

The fourth proportional to 3,049.74, 4,580.01 and 2,805.74 is: 4,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.74 : 4,580.01 = 2,805.74 : x
  2. Step 2: Convert to fraction form
    3,049.74/4,580.01 = 2,805.74/x
  3. Step 3: Cross multiply
    3,049.74x = 4,580.01 × 2,805.74
  4. Step 4: Simplify right side
    3,049.74x = 12,850,317.26
  5. Step 5: Solve for x
    x = 12,850,317.26/3,049.74
  6. Step 6: Final answer
    x = 4,213.58

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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.