Home / 3,308.67-4,566.07-1,911.42

Finding the Fourth Proportional to 3,308.67, 4,566.07 and 1,911.42

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Solution

The fourth proportional to 3,308.67, 4,566.07 and 1,911.42 is: 2,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.67 : 4,566.07 = 1,911.42 : x
  2. Step 2: Convert to fraction form
    3,308.67/4,566.07 = 1,911.42/x
  3. Step 3: Cross multiply
    3,308.67x = 4,566.07 × 1,911.42
  4. Step 4: Simplify right side
    3,308.67x = 8,727,679.91
  5. Step 5: Solve for x
    x = 8,727,679.91/3,308.67
  6. Step 6: Final answer
    x = 2,637.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.