Home / 3,655.69-5,043.54-2,082.87

Finding the Fourth Proportional to 3,655.69, 5,043.54 and 2,082.87

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Solution

The fourth proportional to 3,655.69, 5,043.54 and 2,082.87 is: 2,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.69 : 5,043.54 = 2,082.87 : x
  2. Step 2: Convert to fraction form
    3,655.69/5,043.54 = 2,082.87/x
  3. Step 3: Cross multiply
    3,655.69x = 5,043.54 × 2,082.87
  4. Step 4: Simplify right side
    3,655.69x = 10,505,038.16
  5. Step 5: Solve for x
    x = 10,505,038.16/3,655.69
  6. Step 6: Final answer
    x = 2,873.61

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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.