Home / 2,051.30-3,076.96-1,643.04

Finding the Fourth Proportional to 2,051.30, 3,076.96 and 1,643.04

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Solution

The fourth proportional to 2,051.30, 3,076.96 and 1,643.04 is: 2,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.30 : 3,076.96 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    2,051.30/3,076.96 = 1,643.04/x
  3. Step 3: Cross multiply
    2,051.30x = 3,076.96 × 1,643.04
  4. Step 4: Simplify right side
    2,051.30x = 5,055,568.36
  5. Step 5: Solve for x
    x = 5,055,568.36/2,051.30
  6. Step 6: Final answer
    x = 2,464.57

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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.