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Finding the Fourth Proportional to 3,804.75, 5,690.01 and 2,915.49

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Solution

The fourth proportional to 3,804.75, 5,690.01 and 2,915.49 is: 4,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.75 : 5,690.01 = 2,915.49 : x
  2. Step 2: Convert to fraction form
    3,804.75/5,690.01 = 2,915.49/x
  3. Step 3: Cross multiply
    3,804.75x = 5,690.01 × 2,915.49
  4. Step 4: Simplify right side
    3,804.75x = 16,589,167.25
  5. Step 5: Solve for x
    x = 16,589,167.25/3,804.75
  6. Step 6: Final answer
    x = 4,360.12

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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.