Home / 3,313.10-4,969.80-1,851.14

Finding the Fourth Proportional to 3,313.10, 4,969.80 and 1,851.14

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Solution

The fourth proportional to 3,313.10, 4,969.80 and 1,851.14 is: 2,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.10 : 4,969.80 = 1,851.14 : x
  2. Step 2: Convert to fraction form
    3,313.10/4,969.80 = 1,851.14/x
  3. Step 3: Cross multiply
    3,313.10x = 4,969.80 × 1,851.14
  4. Step 4: Simplify right side
    3,313.10x = 9,199,770.72
  5. Step 5: Solve for x
    x = 9,199,770.72/3,313.10
  6. Step 6: Final answer
    x = 2,776.79

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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.