Home / 4,129.50-5,698.72-2,266.50

Finding the Fourth Proportional to 4,129.50, 5,698.72 and 2,266.50

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Solution

The fourth proportional to 4,129.50, 5,698.72 and 2,266.50 is: 3,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.50 : 5,698.72 = 2,266.50 : x
  2. Step 2: Convert to fraction form
    4,129.50/5,698.72 = 2,266.50/x
  3. Step 3: Cross multiply
    4,129.50x = 5,698.72 × 2,266.50
  4. Step 4: Simplify right side
    4,129.50x = 12,916,148.88
  5. Step 5: Solve for x
    x = 12,916,148.88/4,129.50
  6. Step 6: Final answer
    x = 3,127.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.