Home / 3,600.29-5,400.39-1,410.56

Finding the Fourth Proportional to 3,600.29, 5,400.39 and 1,410.56

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Solution

The fourth proportional to 3,600.29, 5,400.39 and 1,410.56 is: 2,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.29 : 5,400.39 = 1,410.56 : x
  2. Step 2: Convert to fraction form
    3,600.29/5,400.39 = 1,410.56/x
  3. Step 3: Cross multiply
    3,600.29x = 5,400.39 × 1,410.56
  4. Step 4: Simplify right side
    3,600.29x = 7,617,574.12
  5. Step 5: Solve for x
    x = 7,617,574.12/3,600.29
  6. Step 6: Final answer
    x = 2,115.82

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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.