Home / 3,660.16-5,490.24-1,352.32

Finding the Fourth Proportional to 3,660.16, 5,490.24 and 1,352.32

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Solution

The fourth proportional to 3,660.16, 5,490.24 and 1,352.32 is: 2,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.16 : 5,490.24 = 1,352.32 : x
  2. Step 2: Convert to fraction form
    3,660.16/5,490.24 = 1,352.32/x
  3. Step 3: Cross multiply
    3,660.16x = 5,490.24 × 1,352.32
  4. Step 4: Simplify right side
    3,660.16x = 7,424,561.36
  5. Step 5: Solve for x
    x = 7,424,561.36/3,660.16
  6. Step 6: Final answer
    x = 2,028.48

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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.