Home / 3,835.96-5,290.65-2,472.80

Finding the Fourth Proportional to 3,835.96, 5,290.65 and 2,472.80

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Solution

The fourth proportional to 3,835.96, 5,290.65 and 2,472.80 is: 3,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.96 : 5,290.65 = 2,472.80 : x
  2. Step 2: Convert to fraction form
    3,835.96/5,290.65 = 2,472.80/x
  3. Step 3: Cross multiply
    3,835.96x = 5,290.65 × 2,472.80
  4. Step 4: Simplify right side
    3,835.96x = 13,082,692.87
  5. Step 5: Solve for x
    x = 13,082,692.87/3,835.96
  6. Step 6: Final answer
    x = 3,410.54

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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.