Home / 3,664.08-5,496.12-1,322.78

Finding the Fourth Proportional to 3,664.08, 5,496.12 and 1,322.78

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Solution

The fourth proportional to 3,664.08, 5,496.12 and 1,322.78 is: 1,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.08 : 5,496.12 = 1,322.78 : x
  2. Step 2: Convert to fraction form
    3,664.08/5,496.12 = 1,322.78/x
  3. Step 3: Cross multiply
    3,664.08x = 5,496.12 × 1,322.78
  4. Step 4: Simplify right side
    3,664.08x = 7,270,130.13
  5. Step 5: Solve for x
    x = 7,270,130.13/3,664.08
  6. Step 6: Final answer
    x = 1,984.16

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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.