Home / 3,619.64-5,426.80-1,153.04

Finding the Fourth Proportional to 3,619.64, 5,426.80 and 1,153.04

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Solution

The fourth proportional to 3,619.64, 5,426.80 and 1,153.04 is: 1,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.64 : 5,426.80 = 1,153.04 : x
  2. Step 2: Convert to fraction form
    3,619.64/5,426.80 = 1,153.04/x
  3. Step 3: Cross multiply
    3,619.64x = 5,426.80 × 1,153.04
  4. Step 4: Simplify right side
    3,619.64x = 6,257,287.46
  5. Step 5: Solve for x
    x = 6,257,287.46/3,619.64
  6. Step 6: Final answer
    x = 1,728.71

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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.