Home / 2,625.28-3,619.52-1,877.92

Finding the Fourth Proportional to 2,625.28, 3,619.52 and 1,877.92

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Solution

The fourth proportional to 2,625.28, 3,619.52 and 1,877.92 is: 2,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.28 : 3,619.52 = 1,877.92 : x
  2. Step 2: Convert to fraction form
    2,625.28/3,619.52 = 1,877.92/x
  3. Step 3: Cross multiply
    2,625.28x = 3,619.52 × 1,877.92
  4. Step 4: Simplify right side
    2,625.28x = 6,797,169.00
  5. Step 5: Solve for x
    x = 6,797,169.00/2,625.28
  6. Step 6: Final answer
    x = 2,589.12

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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.