Home / 3,085.42-4,257.25-1,825.84

Finding the Fourth Proportional to 3,085.42, 4,257.25 and 1,825.84

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Solution

The fourth proportional to 3,085.42, 4,257.25 and 1,825.84 is: 2,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.42 : 4,257.25 = 1,825.84 : x
  2. Step 2: Convert to fraction form
    3,085.42/4,257.25 = 1,825.84/x
  3. Step 3: Cross multiply
    3,085.42x = 4,257.25 × 1,825.84
  4. Step 4: Simplify right side
    3,085.42x = 7,773,055.53
  5. Step 5: Solve for x
    x = 7,773,055.53/3,085.42
  6. Step 6: Final answer
    x = 2,519.29

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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.