Home / 3,827.80-5,741.70-3,487.60

Finding the Fourth Proportional to 3,827.80, 5,741.70 and 3,487.60

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Solution

The fourth proportional to 3,827.80, 5,741.70 and 3,487.60 is: 5,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.80 : 5,741.70 = 3,487.60 : x
  2. Step 2: Convert to fraction form
    3,827.80/5,741.70 = 3,487.60/x
  3. Step 3: Cross multiply
    3,827.80x = 5,741.70 × 3,487.60
  4. Step 4: Simplify right side
    3,827.80x = 20,024,752.92
  5. Step 5: Solve for x
    x = 20,024,752.92/3,827.80
  6. Step 6: Final answer
    x = 5,231.40

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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.