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Finding the Fourth Proportional to 3,435, 4,735.87 and 2,804.86

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Solution

The fourth proportional to 3,435, 4,735.87 and 2,804.86 is: 3,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435 : 4,735.87 = 2,804.86 : x
  2. Step 2: Convert to fraction form
    3,435/4,735.87 = 2,804.86/x
  3. Step 3: Cross multiply
    3,435x = 4,735.87 × 2,804.86
  4. Step 4: Simplify right side
    3,435x = 13,283,452.33
  5. Step 5: Solve for x
    x = 13,283,452.33/3,435
  6. Step 6: Final answer
    x = 3,867.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.