Home / 3,082.14-4,253.35-1,665.83

Finding the Fourth Proportional to 3,082.14, 4,253.35 and 1,665.83

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Solution

The fourth proportional to 3,082.14, 4,253.35 and 1,665.83 is: 2,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.14 : 4,253.35 = 1,665.83 : x
  2. Step 2: Convert to fraction form
    3,082.14/4,253.35 = 1,665.83/x
  3. Step 3: Cross multiply
    3,082.14x = 4,253.35 × 1,665.83
  4. Step 4: Simplify right side
    3,082.14x = 7,085,354.80
  5. Step 5: Solve for x
    x = 7,085,354.80/3,082.14
  6. Step 6: Final answer
    x = 2,298.84

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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.