Home / 4,140.80-6,200.56-2,289.84

Finding the Fourth Proportional to 4,140.80, 6,200.56 and 2,289.84

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Solution

The fourth proportional to 4,140.80, 6,200.56 and 2,289.84 is: 3,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.80 : 6,200.56 = 2,289.84 : x
  2. Step 2: Convert to fraction form
    4,140.80/6,200.56 = 2,289.84/x
  3. Step 3: Cross multiply
    4,140.80x = 6,200.56 × 2,289.84
  4. Step 4: Simplify right side
    4,140.80x = 14,198,290.31
  5. Step 5: Solve for x
    x = 14,198,290.31/4,140.80
  6. Step 6: Final answer
    x = 3,428.88

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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.