Home / 2,910.99-4,367.35-1,679.29

Finding the Fourth Proportional to 2,910.99, 4,367.35 and 1,679.29

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Solution

The fourth proportional to 2,910.99, 4,367.35 and 1,679.29 is: 2,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.99 : 4,367.35 = 1,679.29 : x
  2. Step 2: Convert to fraction form
    2,910.99/4,367.35 = 1,679.29/x
  3. Step 3: Cross multiply
    2,910.99x = 4,367.35 × 1,679.29
  4. Step 4: Simplify right side
    2,910.99x = 7,334,025.34
  5. Step 5: Solve for x
    x = 7,334,025.34/2,910.99
  6. Step 6: Final answer
    x = 2,519.43

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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.