Home / 3,126.85-4,313.02-2,006.01

Finding the Fourth Proportional to 3,126.85, 4,313.02 and 2,006.01

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Solution

The fourth proportional to 3,126.85, 4,313.02 and 2,006.01 is: 2,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.85 : 4,313.02 = 2,006.01 : x
  2. Step 2: Convert to fraction form
    3,126.85/4,313.02 = 2,006.01/x
  3. Step 3: Cross multiply
    3,126.85x = 4,313.02 × 2,006.01
  4. Step 4: Simplify right side
    3,126.85x = 8,651,961.25
  5. Step 5: Solve for x
    x = 8,651,961.25/3,126.85
  6. Step 6: Final answer
    x = 2,766.99

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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.