Home / 2,639.13-3,958.75-1,476.55

Finding the Fourth Proportional to 2,639.13, 3,958.75 and 1,476.55

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Solution

The fourth proportional to 2,639.13, 3,958.75 and 1,476.55 is: 2,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.13 : 3,958.75 = 1,476.55 : x
  2. Step 2: Convert to fraction form
    2,639.13/3,958.75 = 1,476.55/x
  3. Step 3: Cross multiply
    2,639.13x = 3,958.75 × 1,476.55
  4. Step 4: Simplify right side
    2,639.13x = 5,845,306.09
  5. Step 5: Solve for x
    x = 5,845,306.09/2,639.13
  6. Step 6: Final answer
    x = 2,214.86

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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.