Home / 3,654.12-5,043.11-2,082.45

Finding the Fourth Proportional to 3,654.12, 5,043.11 and 2,082.45

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Solution

The fourth proportional to 3,654.12, 5,043.11 and 2,082.45 is: 2,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.12 : 5,043.11 = 2,082.45 : x
  2. Step 2: Convert to fraction form
    3,654.12/5,043.11 = 2,082.45/x
  3. Step 3: Cross multiply
    3,654.12x = 5,043.11 × 2,082.45
  4. Step 4: Simplify right side
    3,654.12x = 10,502,024.42
  5. Step 5: Solve for x
    x = 10,502,024.42/3,654.12
  6. Step 6: Final answer
    x = 2,874.02

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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.