Home / 3,680.05-5,082.08-2,669.98

Finding the Fourth Proportional to 3,680.05, 5,082.08 and 2,669.98

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Solution

The fourth proportional to 3,680.05, 5,082.08 and 2,669.98 is: 3,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.05 : 5,082.08 = 2,669.98 : x
  2. Step 2: Convert to fraction form
    3,680.05/5,082.08 = 2,669.98/x
  3. Step 3: Cross multiply
    3,680.05x = 5,082.08 × 2,669.98
  4. Step 4: Simplify right side
    3,680.05x = 13,569,051.96
  5. Step 5: Solve for x
    x = 13,569,051.96/3,680.05
  6. Step 6: Final answer
    x = 3,687.19

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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.