Home / 2,910.50-4,361.49-1,811.52

Finding the Fourth Proportional to 2,910.50, 4,361.49 and 1,811.52

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Solution

The fourth proportional to 2,910.50, 4,361.49 and 1,811.52 is: 2,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.50 : 4,361.49 = 1,811.52 : x
  2. Step 2: Convert to fraction form
    2,910.50/4,361.49 = 1,811.52/x
  3. Step 3: Cross multiply
    2,910.50x = 4,361.49 × 1,811.52
  4. Step 4: Simplify right side
    2,910.50x = 7,900,926.36
  5. Step 5: Solve for x
    x = 7,900,926.36/2,910.50
  6. Step 6: Final answer
    x = 2,714.63

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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.