Home / 1,579.20-2,380.64-1,473.48

Finding the Fourth Proportional to 1,579.20, 2,380.64 and 1,473.48

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Solution

The fourth proportional to 1,579.20, 2,380.64 and 1,473.48 is: 2,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.20 : 2,380.64 = 1,473.48 : x
  2. Step 2: Convert to fraction form
    1,579.20/2,380.64 = 1,473.48/x
  3. Step 3: Cross multiply
    1,579.20x = 2,380.64 × 1,473.48
  4. Step 4: Simplify right side
    1,579.20x = 3,507,825.43
  5. Step 5: Solve for x
    x = 3,507,825.43/1,579.20
  6. Step 6: Final answer
    x = 2,221.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.