Home / 3,655.74-5,043.68-2,082.72

Finding the Fourth Proportional to 3,655.74, 5,043.68 and 2,082.72

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Solution

The fourth proportional to 3,655.74, 5,043.68 and 2,082.72 is: 2,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.74 : 5,043.68 = 2,082.72 : x
  2. Step 2: Convert to fraction form
    3,655.74/5,043.68 = 2,082.72/x
  3. Step 3: Cross multiply
    3,655.74x = 5,043.68 × 2,082.72
  4. Step 4: Simplify right side
    3,655.74x = 10,504,573.21
  5. Step 5: Solve for x
    x = 10,504,573.21/3,655.74
  6. Step 6: Final answer
    x = 2,873.45

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1.5x scale

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.