Home / 3,100.10-4,651.36-1,367.50

Finding the Fourth Proportional to 3,100.10, 4,651.36 and 1,367.50

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Solution

The fourth proportional to 3,100.10, 4,651.36 and 1,367.50 is: 2,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.10 : 4,651.36 = 1,367.50 : x
  2. Step 2: Convert to fraction form
    3,100.10/4,651.36 = 1,367.50/x
  3. Step 3: Cross multiply
    3,100.10x = 4,651.36 × 1,367.50
  4. Step 4: Simplify right side
    3,100.10x = 6,360,734.80
  5. Step 5: Solve for x
    x = 6,360,734.80/3,100.10
  6. Step 6: Final answer
    x = 2,051.78

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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.