Home / 3,107.50-4,662.36-1,875.83

Finding the Fourth Proportional to 3,107.50, 4,662.36 and 1,875.83

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Solution

The fourth proportional to 3,107.50, 4,662.36 and 1,875.83 is: 2,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.50 : 4,662.36 = 1,875.83 : x
  2. Step 2: Convert to fraction form
    3,107.50/4,662.36 = 1,875.83/x
  3. Step 3: Cross multiply
    3,107.50x = 4,662.36 × 1,875.83
  4. Step 4: Simplify right side
    3,107.50x = 8,745,771.45
  5. Step 5: Solve for x
    x = 8,745,771.45/3,107.50
  6. Step 6: Final answer
    x = 2,814.41

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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.