Home / 3,383.38-5,077.50-2,085.76

Finding the Fourth Proportional to 3,383.38, 5,077.50 and 2,085.76

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Solution

The fourth proportional to 3,383.38, 5,077.50 and 2,085.76 is: 3,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.38 : 5,077.50 = 2,085.76 : x
  2. Step 2: Convert to fraction form
    3,383.38/5,077.50 = 2,085.76/x
  3. Step 3: Cross multiply
    3,383.38x = 5,077.50 × 2,085.76
  4. Step 4: Simplify right side
    3,383.38x = 10,590,446.40
  5. Step 5: Solve for x
    x = 10,590,446.40/3,383.38
  6. Step 6: Final answer
    x = 3,130.14

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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.