Home / 3,821.30-5,730.14-1,482.40

Finding the Fourth Proportional to 3,821.30, 5,730.14 and 1,482.40

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Solution

The fourth proportional to 3,821.30, 5,730.14 and 1,482.40 is: 2,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.30 : 5,730.14 = 1,482.40 : x
  2. Step 2: Convert to fraction form
    3,821.30/5,730.14 = 1,482.40/x
  3. Step 3: Cross multiply
    3,821.30x = 5,730.14 × 1,482.40
  4. Step 4: Simplify right side
    3,821.30x = 8,494,359.54
  5. Step 5: Solve for x
    x = 8,494,359.54/3,821.30
  6. Step 6: Final answer
    x = 2,222.90

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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.