Home / 3,314.31-4,973.89-2,672.79

Finding the Fourth Proportional to 3,314.31, 4,973.89 and 2,672.79

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Solution

The fourth proportional to 3,314.31, 4,973.89 and 2,672.79 is: 4,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.31 : 4,973.89 = 2,672.79 : x
  2. Step 2: Convert to fraction form
    3,314.31/4,973.89 = 2,672.79/x
  3. Step 3: Cross multiply
    3,314.31x = 4,973.89 × 2,672.79
  4. Step 4: Simplify right side
    3,314.31x = 13,294,163.45
  5. Step 5: Solve for x
    x = 13,294,163.45/3,314.31
  6. Step 6: Final answer
    x = 4,011.14

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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.