Home / 2,911.07-4,367.47-1,679.37

Finding the Fourth Proportional to 2,911.07, 4,367.47 and 1,679.37

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Solution

The fourth proportional to 2,911.07, 4,367.47 and 1,679.37 is: 2,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.07 : 4,367.47 = 1,679.37 : x
  2. Step 2: Convert to fraction form
    2,911.07/4,367.47 = 1,679.37/x
  3. Step 3: Cross multiply
    2,911.07x = 4,367.47 × 1,679.37
  4. Step 4: Simplify right side
    2,911.07x = 7,334,598.09
  5. Step 5: Solve for x
    x = 7,334,598.09/2,911.07
  6. Step 6: Final answer
    x = 2,519.55

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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.