Home / 3,669.12-5,063.04-2,972.16

Finding the Fourth Proportional to 3,669.12, 5,063.04 and 2,972.16

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Solution

The fourth proportional to 3,669.12, 5,063.04 and 2,972.16 is: 4,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.12 : 5,063.04 = 2,972.16 : x
  2. Step 2: Convert to fraction form
    3,669.12/5,063.04 = 2,972.16/x
  3. Step 3: Cross multiply
    3,669.12x = 5,063.04 × 2,972.16
  4. Step 4: Simplify right side
    3,669.12x = 15,048,164.97
  5. Step 5: Solve for x
    x = 15,048,164.97/3,669.12
  6. Step 6: Final answer
    x = 4,101.30

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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.