Home / 3,836.63-5,281.49-2,840.03

Finding the Fourth Proportional to 3,836.63, 5,281.49 and 2,840.03

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Solution

The fourth proportional to 3,836.63, 5,281.49 and 2,840.03 is: 3,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.63 : 5,281.49 = 2,840.03 : x
  2. Step 2: Convert to fraction form
    3,836.63/5,281.49 = 2,840.03/x
  3. Step 3: Cross multiply
    3,836.63x = 5,281.49 × 2,840.03
  4. Step 4: Simplify right side
    3,836.63x = 14,999,549.44
  5. Step 5: Solve for x
    x = 14,999,549.44/3,836.63
  6. Step 6: Final answer
    x = 3,909.57

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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.