Home / 3,679.32-5,077.20-2,085.96

Finding the Fourth Proportional to 3,679.32, 5,077.20 and 2,085.96

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Solution

The fourth proportional to 3,679.32, 5,077.20 and 2,085.96 is: 2,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.32 : 5,077.20 = 2,085.96 : x
  2. Step 2: Convert to fraction form
    3,679.32/5,077.20 = 2,085.96/x
  3. Step 3: Cross multiply
    3,679.32x = 5,077.20 × 2,085.96
  4. Step 4: Simplify right side
    3,679.32x = 10,590,836.11
  5. Step 5: Solve for x
    x = 10,590,836.11/3,679.32
  6. Step 6: Final answer
    x = 2,878.48

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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.