Home / 2,615.98-3,926.70-1,923.44

Finding the Fourth Proportional to 2,615.98, 3,926.70 and 1,923.44

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Solution

The fourth proportional to 2,615.98, 3,926.70 and 1,923.44 is: 2,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.98 : 3,926.70 = 1,923.44 : x
  2. Step 2: Convert to fraction form
    2,615.98/3,926.70 = 1,923.44/x
  3. Step 3: Cross multiply
    2,615.98x = 3,926.70 × 1,923.44
  4. Step 4: Simplify right side
    2,615.98x = 7,552,771.85
  5. Step 5: Solve for x
    x = 7,552,771.85/2,615.98
  6. Step 6: Final answer
    x = 2,887.17

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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.