Home / 3,630.81-5,009.05-2,633.90

Finding the Fourth Proportional to 3,630.81, 5,009.05 and 2,633.90

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Solution

The fourth proportional to 3,630.81, 5,009.05 and 2,633.90 is: 3,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.81 : 5,009.05 = 2,633.90 : x
  2. Step 2: Convert to fraction form
    3,630.81/5,009.05 = 2,633.90/x
  3. Step 3: Cross multiply
    3,630.81x = 5,009.05 × 2,633.90
  4. Step 4: Simplify right side
    3,630.81x = 13,193,336.80
  5. Step 5: Solve for x
    x = 13,193,336.80/3,630.81
  6. Step 6: Final answer
    x = 3,633.72

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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.