Home / 3,199.02-4,795.46-1,639.76

Finding the Fourth Proportional to 3,199.02, 4,795.46 and 1,639.76

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Solution

The fourth proportional to 3,199.02, 4,795.46 and 1,639.76 is: 2,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.02 : 4,795.46 = 1,639.76 : x
  2. Step 2: Convert to fraction form
    3,199.02/4,795.46 = 1,639.76/x
  3. Step 3: Cross multiply
    3,199.02x = 4,795.46 × 1,639.76
  4. Step 4: Simplify right side
    3,199.02x = 7,863,403.49
  5. Step 5: Solve for x
    x = 7,863,403.49/3,199.02
  6. Step 6: Final answer
    x = 2,458.07

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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.