Home / 3,732.72-5,150.84-2,199.40

Finding the Fourth Proportional to 3,732.72, 5,150.84 and 2,199.40

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Solution

The fourth proportional to 3,732.72, 5,150.84 and 2,199.40 is: 3,034.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.72 : 5,150.84 = 2,199.40 : x
  2. Step 2: Convert to fraction form
    3,732.72/5,150.84 = 2,199.40/x
  3. Step 3: Cross multiply
    3,732.72x = 5,150.84 × 2,199.40
  4. Step 4: Simplify right side
    3,732.72x = 11,328,748.23
  5. Step 5: Solve for x
    x = 11,328,748.23/3,732.72
  6. Step 6: Final answer
    x = 3,034.99

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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.