Home / 2,450.81-3,380.62-1,455.72

Finding the Fourth Proportional to 2,450.81, 3,380.62 and 1,455.72

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Solution

The fourth proportional to 2,450.81, 3,380.62 and 1,455.72 is: 2,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.81 : 3,380.62 = 1,455.72 : x
  2. Step 2: Convert to fraction form
    2,450.81/3,380.62 = 1,455.72/x
  3. Step 3: Cross multiply
    2,450.81x = 3,380.62 × 1,455.72
  4. Step 4: Simplify right side
    2,450.81x = 4,921,247.72
  5. Step 5: Solve for x
    x = 4,921,247.72/2,450.81
  6. Step 6: Final answer
    x = 2,008.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.