Home / 4,353.81-6,529.85-2,131.69

Finding the Fourth Proportional to 4,353.81, 6,529.85 and 2,131.69

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Solution

The fourth proportional to 4,353.81, 6,529.85 and 2,131.69 is: 3,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.81 : 6,529.85 = 2,131.69 : x
  2. Step 2: Convert to fraction form
    4,353.81/6,529.85 = 2,131.69/x
  3. Step 3: Cross multiply
    4,353.81x = 6,529.85 × 2,131.69
  4. Step 4: Simplify right side
    4,353.81x = 13,919,609.20
  5. Step 5: Solve for x
    x = 13,919,609.20/4,353.81
  6. Step 6: Final answer
    x = 3,197.11

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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.