Home / 2,551.52-3,517.46-1,878.14

Finding the Fourth Proportional to 2,551.52, 3,517.46 and 1,878.14

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Solution

The fourth proportional to 2,551.52, 3,517.46 and 1,878.14 is: 2,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.52 : 3,517.46 = 1,878.14 : x
  2. Step 2: Convert to fraction form
    2,551.52/3,517.46 = 1,878.14/x
  3. Step 3: Cross multiply
    2,551.52x = 3,517.46 × 1,878.14
  4. Step 4: Simplify right side
    2,551.52x = 6,606,282.32
  5. Step 5: Solve for x
    x = 6,606,282.32/2,551.52
  6. Step 6: Final answer
    x = 2,589.16

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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.