Home / 2,926.85-4,040.21-1,747.69

Finding the Fourth Proportional to 2,926.85, 4,040.21 and 1,747.69

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Solution

The fourth proportional to 2,926.85, 4,040.21 and 1,747.69 is: 2,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.85 : 4,040.21 = 1,747.69 : x
  2. Step 2: Convert to fraction form
    2,926.85/4,040.21 = 1,747.69/x
  3. Step 3: Cross multiply
    2,926.85x = 4,040.21 × 1,747.69
  4. Step 4: Simplify right side
    2,926.85x = 7,061,028.88
  5. Step 5: Solve for x
    x = 7,061,028.88/2,926.85
  6. Step 6: Final answer
    x = 2,412.51

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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.