Home / 3,660.32-5,463.84-3,389.60

Finding the Fourth Proportional to 3,660.32, 5,463.84 and 3,389.60

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Solution

The fourth proportional to 3,660.32, 5,463.84 and 3,389.60 is: 5,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.32 : 5,463.84 = 3,389.60 : x
  2. Step 2: Convert to fraction form
    3,660.32/5,463.84 = 3,389.60/x
  3. Step 3: Cross multiply
    3,660.32x = 5,463.84 × 3,389.60
  4. Step 4: Simplify right side
    3,660.32x = 18,520,232.06
  5. Step 5: Solve for x
    x = 18,520,232.06/3,660.32
  6. Step 6: Final answer
    x = 5,059.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.