Home / 3,181.68-4,739.72-3,084.95

Finding the Fourth Proportional to 3,181.68, 4,739.72 and 3,084.95

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Solution

The fourth proportional to 3,181.68, 4,739.72 and 3,084.95 is: 4,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.68 : 4,739.72 = 3,084.95 : x
  2. Step 2: Convert to fraction form
    3,181.68/4,739.72 = 3,084.95/x
  3. Step 3: Cross multiply
    3,181.68x = 4,739.72 × 3,084.95
  4. Step 4: Simplify right side
    3,181.68x = 14,621,795.64
  5. Step 5: Solve for x
    x = 14,621,795.64/3,181.68
  6. Step 6: Final answer
    x = 4,595.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.