Home / 2,084.09-3,126.11-1,980.27

Finding the Fourth Proportional to 2,084.09, 3,126.11 and 1,980.27

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Solution

The fourth proportional to 2,084.09, 3,126.11 and 1,980.27 is: 2,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.09 : 3,126.11 = 1,980.27 : x
  2. Step 2: Convert to fraction form
    2,084.09/3,126.11 = 1,980.27/x
  3. Step 3: Cross multiply
    2,084.09x = 3,126.11 × 1,980.27
  4. Step 4: Simplify right side
    2,084.09x = 6,190,531.95
  5. Step 5: Solve for x
    x = 6,190,531.95/2,084.09
  6. Step 6: Final answer
    x = 2,970.38

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1.5x scale

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.