Home / 3,679.49-5,076.45-2,085.96

Finding the Fourth Proportional to 3,679.49, 5,076.45 and 2,085.96

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Solution

The fourth proportional to 3,679.49, 5,076.45 and 2,085.96 is: 2,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.49 : 5,076.45 = 2,085.96 : x
  2. Step 2: Convert to fraction form
    3,679.49/5,076.45 = 2,085.96/x
  3. Step 3: Cross multiply
    3,679.49x = 5,076.45 × 2,085.96
  4. Step 4: Simplify right side
    3,679.49x = 10,589,261.21
  5. Step 5: Solve for x
    x = 10,589,261.21/3,679.49
  6. Step 6: Final answer
    x = 2,877.92

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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.