Home / 3,085.38-4,257.05-1,825.91

Finding the Fourth Proportional to 3,085.38, 4,257.05 and 1,825.91

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Solution

The fourth proportional to 3,085.38, 4,257.05 and 1,825.91 is: 2,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.38 : 4,257.05 = 1,825.91 : x
  2. Step 2: Convert to fraction form
    3,085.38/4,257.05 = 1,825.91/x
  3. Step 3: Cross multiply
    3,085.38x = 4,257.05 × 1,825.91
  4. Step 4: Simplify right side
    3,085.38x = 7,772,959.75
  5. Step 5: Solve for x
    x = 7,772,959.75/3,085.38
  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.