Home / 3,119-4,671.84-2,020.10

Finding the Fourth Proportional to 3,119, 4,671.84 and 2,020.10

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Solution

The fourth proportional to 3,119, 4,671.84 and 2,020.10 is: 3,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119 : 4,671.84 = 2,020.10 : x
  2. Step 2: Convert to fraction form
    3,119/4,671.84 = 2,020.10/x
  3. Step 3: Cross multiply
    3,119x = 4,671.84 × 2,020.10
  4. Step 4: Simplify right side
    3,119x = 9,437,583.98
  5. Step 5: Solve for x
    x = 9,437,583.98/3,119
  6. Step 6: Final answer
    x = 3,025.84

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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.