Home / 4,219.75-6,329.04-2,320.68

Finding the Fourth Proportional to 4,219.75, 6,329.04 and 2,320.68

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Solution

The fourth proportional to 4,219.75, 6,329.04 and 2,320.68 is: 3,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.75 : 6,329.04 = 2,320.68 : x
  2. Step 2: Convert to fraction form
    4,219.75/6,329.04 = 2,320.68/x
  3. Step 3: Cross multiply
    4,219.75x = 6,329.04 × 2,320.68
  4. Step 4: Simplify right side
    4,219.75x = 14,687,676.55
  5. Step 5: Solve for x
    x = 14,687,676.55/4,219.75
  6. Step 6: Final answer
    x = 3,480.70

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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.