Home / 3,987.41-5,502.35-2,495.25

Finding the Fourth Proportional to 3,987.41, 5,502.35 and 2,495.25

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Solution

The fourth proportional to 3,987.41, 5,502.35 and 2,495.25 is: 3,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.41 : 5,502.35 = 2,495.25 : x
  2. Step 2: Convert to fraction form
    3,987.41/5,502.35 = 2,495.25/x
  3. Step 3: Cross multiply
    3,987.41x = 5,502.35 × 2,495.25
  4. Step 4: Simplify right side
    3,987.41x = 13,729,745.08
  5. Step 5: Solve for x
    x = 13,729,745.08/3,987.41
  6. Step 6: Final answer
    x = 3,443.28

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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.