Home / 3,985.54-5,977.67-2,504.86

Finding the Fourth Proportional to 3,985.54, 5,977.67 and 2,504.86

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Solution

The fourth proportional to 3,985.54, 5,977.67 and 2,504.86 is: 3,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.54 : 5,977.67 = 2,504.86 : x
  2. Step 2: Convert to fraction form
    3,985.54/5,977.67 = 2,504.86/x
  3. Step 3: Cross multiply
    3,985.54x = 5,977.67 × 2,504.86
  4. Step 4: Simplify right side
    3,985.54x = 14,973,199.01
  5. Step 5: Solve for x
    x = 14,973,199.01/3,985.54
  6. Step 6: Final answer
    x = 3,756.88

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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.