Home / 3,316.90-4,968.87-2,015.14

Finding the Fourth Proportional to 3,316.90, 4,968.87 and 2,015.14

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Solution

The fourth proportional to 3,316.90, 4,968.87 and 2,015.14 is: 3,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.90 : 4,968.87 = 2,015.14 : x
  2. Step 2: Convert to fraction form
    3,316.90/4,968.87 = 2,015.14/x
  3. Step 3: Cross multiply
    3,316.90x = 4,968.87 × 2,015.14
  4. Step 4: Simplify right side
    3,316.90x = 10,012,968.69
  5. Step 5: Solve for x
    x = 10,012,968.69/3,316.90
  6. Step 6: Final answer
    x = 3,018.77

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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.