Home / 3,329.68-4,985.20-2,160.96

Finding the Fourth Proportional to 3,329.68, 4,985.20 and 2,160.96

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Solution

The fourth proportional to 3,329.68, 4,985.20 and 2,160.96 is: 3,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.68 : 4,985.20 = 2,160.96 : x
  2. Step 2: Convert to fraction form
    3,329.68/4,985.20 = 2,160.96/x
  3. Step 3: Cross multiply
    3,329.68x = 4,985.20 × 2,160.96
  4. Step 4: Simplify right side
    3,329.68x = 10,772,817.79
  5. Step 5: Solve for x
    x = 10,772,817.79/3,329.68
  6. Step 6: Final answer
    x = 3,235.39

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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.