Home / 3,629.24-5,439.60-1,677.32

Finding the Fourth Proportional to 3,629.24, 5,439.60 and 1,677.32

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Solution

The fourth proportional to 3,629.24, 5,439.60 and 1,677.32 is: 2,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.24 : 5,439.60 = 1,677.32 : x
  2. Step 2: Convert to fraction form
    3,629.24/5,439.60 = 1,677.32/x
  3. Step 3: Cross multiply
    3,629.24x = 5,439.60 × 1,677.32
  4. Step 4: Simplify right side
    3,629.24x = 9,123,949.87
  5. Step 5: Solve for x
    x = 9,123,949.87/3,629.24
  6. Step 6: Final answer
    x = 2,514.01

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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.