Home / 3,652.78-5,039.46-2,080.03

Finding the Fourth Proportional to 3,652.78, 5,039.46 and 2,080.03

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Solution

The fourth proportional to 3,652.78, 5,039.46 and 2,080.03 is: 2,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.78 : 5,039.46 = 2,080.03 : x
  2. Step 2: Convert to fraction form
    3,652.78/5,039.46 = 2,080.03/x
  3. Step 3: Cross multiply
    3,652.78x = 5,039.46 × 2,080.03
  4. Step 4: Simplify right side
    3,652.78x = 10,482,227.98
  5. Step 5: Solve for x
    x = 10,482,227.98/3,652.78
  6. Step 6: Final answer
    x = 2,869.66

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1.5x scale

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.