Home / 3,185.90-4,397.55-2,525.66

Finding the Fourth Proportional to 3,185.90, 4,397.55 and 2,525.66

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Solution

The fourth proportional to 3,185.90, 4,397.55 and 2,525.66 is: 3,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.90 : 4,397.55 = 2,525.66 : x
  2. Step 2: Convert to fraction form
    3,185.90/4,397.55 = 2,525.66/x
  3. Step 3: Cross multiply
    3,185.90x = 4,397.55 × 2,525.66
  4. Step 4: Simplify right side
    3,185.90x = 11,106,716.13
  5. Step 5: Solve for x
    x = 11,106,716.13/3,185.90
  6. Step 6: Final answer
    x = 3,486.21

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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.