Home / 3,767.40-5,651.10-2,455.20

Finding the Fourth Proportional to 3,767.40, 5,651.10 and 2,455.20

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Solution

The fourth proportional to 3,767.40, 5,651.10 and 2,455.20 is: 3,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.40 : 5,651.10 = 2,455.20 : x
  2. Step 2: Convert to fraction form
    3,767.40/5,651.10 = 2,455.20/x
  3. Step 3: Cross multiply
    3,767.40x = 5,651.10 × 2,455.20
  4. Step 4: Simplify right side
    3,767.40x = 13,874,580.72
  5. Step 5: Solve for x
    x = 13,874,580.72/3,767.40
  6. Step 6: Final answer
    x = 3,682.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.