Home / 2,505.46-3,753.87-1,660.64

Finding the Fourth Proportional to 2,505.46, 3,753.87 and 1,660.64

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Solution

The fourth proportional to 2,505.46, 3,753.87 and 1,660.64 is: 2,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.46 : 3,753.87 = 1,660.64 : x
  2. Step 2: Convert to fraction form
    2,505.46/3,753.87 = 1,660.64/x
  3. Step 3: Cross multiply
    2,505.46x = 3,753.87 × 1,660.64
  4. Step 4: Simplify right side
    2,505.46x = 6,233,826.68
  5. Step 5: Solve for x
    x = 6,233,826.68/2,505.46
  6. Step 6: Final answer
    x = 2,488.10

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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.