Home / 3,085.72-4,628.58-1,995.88

Finding the Fourth Proportional to 3,085.72, 4,628.58 and 1,995.88

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Solution

The fourth proportional to 3,085.72, 4,628.58 and 1,995.88 is: 2,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.72 : 4,628.58 = 1,995.88 : x
  2. Step 2: Convert to fraction form
    3,085.72/4,628.58 = 1,995.88/x
  3. Step 3: Cross multiply
    3,085.72x = 4,628.58 × 1,995.88
  4. Step 4: Simplify right side
    3,085.72x = 9,238,090.25
  5. Step 5: Solve for x
    x = 9,238,090.25/3,085.72
  6. Step 6: Final answer
    x = 2,993.82

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.