Home / 4,082.36-6,120.84-1,618.34

Finding the Fourth Proportional to 4,082.36, 6,120.84 and 1,618.34

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Solution

The fourth proportional to 4,082.36, 6,120.84 and 1,618.34 is: 2,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.36 : 6,120.84 = 1,618.34 : x
  2. Step 2: Convert to fraction form
    4,082.36/6,120.84 = 1,618.34/x
  3. Step 3: Cross multiply
    4,082.36x = 6,120.84 × 1,618.34
  4. Step 4: Simplify right side
    4,082.36x = 9,905,600.21
  5. Step 5: Solve for x
    x = 9,905,600.21/4,082.36
  6. Step 6: Final answer
    x = 2,426.44

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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.