Home / 3,407.37-5,107.50-2,311.80

Finding the Fourth Proportional to 3,407.37, 5,107.50 and 2,311.80

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Solution

The fourth proportional to 3,407.37, 5,107.50 and 2,311.80 is: 3,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.37 : 5,107.50 = 2,311.80 : x
  2. Step 2: Convert to fraction form
    3,407.37/5,107.50 = 2,311.80/x
  3. Step 3: Cross multiply
    3,407.37x = 5,107.50 × 2,311.80
  4. Step 4: Simplify right side
    3,407.37x = 11,807,518.50
  5. Step 5: Solve for x
    x = 11,807,518.50/3,407.37
  6. Step 6: Final answer
    x = 3,465.29

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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.