Home / 2,665.60-3,998.44-1,022.24

Finding the Fourth Proportional to 2,665.60, 3,998.44 and 1,022.24

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Solution

The fourth proportional to 2,665.60, 3,998.44 and 1,022.24 is: 1,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.60 : 3,998.44 = 1,022.24 : x
  2. Step 2: Convert to fraction form
    2,665.60/3,998.44 = 1,022.24/x
  3. Step 3: Cross multiply
    2,665.60x = 3,998.44 × 1,022.24
  4. Step 4: Simplify right side
    2,665.60x = 4,087,365.31
  5. Step 5: Solve for x
    x = 4,087,365.31/2,665.60
  6. Step 6: Final answer
    x = 1,533.38

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1.5x scale

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.