Home / 2,551.04-3,520.38-1,431.90

Finding the Fourth Proportional to 2,551.04, 3,520.38 and 1,431.90

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Solution

The fourth proportional to 2,551.04, 3,520.38 and 1,431.90 is: 1,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.04 : 3,520.38 = 1,431.90 : x
  2. Step 2: Convert to fraction form
    2,551.04/3,520.38 = 1,431.90/x
  3. Step 3: Cross multiply
    2,551.04x = 3,520.38 × 1,431.90
  4. Step 4: Simplify right side
    2,551.04x = 5,040,832.12
  5. Step 5: Solve for x
    x = 5,040,832.12/2,551.04
  6. Step 6: Final answer
    x = 1,975.99

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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.