Home / 3,661.04-5,052.68-2,821.06

Finding the Fourth Proportional to 3,661.04, 5,052.68 and 2,821.06

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Solution

The fourth proportional to 3,661.04, 5,052.68 and 2,821.06 is: 3,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.04 : 5,052.68 = 2,821.06 : x
  2. Step 2: Convert to fraction form
    3,661.04/5,052.68 = 2,821.06/x
  3. Step 3: Cross multiply
    3,661.04x = 5,052.68 × 2,821.06
  4. Step 4: Simplify right side
    3,661.04x = 14,253,913.44
  5. Step 5: Solve for x
    x = 14,253,913.44/3,661.04
  6. Step 6: Final answer
    x = 3,893.41

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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.