Home / 3,085.56-4,254.83-2,835.88

Finding the Fourth Proportional to 3,085.56, 4,254.83 and 2,835.88

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Solution

The fourth proportional to 3,085.56, 4,254.83 and 2,835.88 is: 3,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.56 : 4,254.83 = 2,835.88 : x
  2. Step 2: Convert to fraction form
    3,085.56/4,254.83 = 2,835.88/x
  3. Step 3: Cross multiply
    3,085.56x = 4,254.83 × 2,835.88
  4. Step 4: Simplify right side
    3,085.56x = 12,066,173.12
  5. Step 5: Solve for x
    x = 12,066,173.12/3,085.56
  6. Step 6: Final answer
    x = 3,910.53

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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.