Home / 2,625.37-3,619.38-1,878.03

Finding the Fourth Proportional to 2,625.37, 3,619.38 and 1,878.03

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Solution

The fourth proportional to 2,625.37, 3,619.38 and 1,878.03 is: 2,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.37 : 3,619.38 = 1,878.03 : x
  2. Step 2: Convert to fraction form
    2,625.37/3,619.38 = 1,878.03/x
  3. Step 3: Cross multiply
    2,625.37x = 3,619.38 × 1,878.03
  4. Step 4: Simplify right side
    2,625.37x = 6,797,304.22
  5. Step 5: Solve for x
    x = 6,797,304.22/2,625.37
  6. Step 6: Final answer
    x = 2,589.08

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1.5x scale

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.