Home / 3,771.13-5,656.08-2,672.16

Finding the Fourth Proportional to 3,771.13, 5,656.08 and 2,672.16

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Solution

The fourth proportional to 3,771.13, 5,656.08 and 2,672.16 is: 4,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.13 : 5,656.08 = 2,672.16 : x
  2. Step 2: Convert to fraction form
    3,771.13/5,656.08 = 2,672.16/x
  3. Step 3: Cross multiply
    3,771.13x = 5,656.08 × 2,672.16
  4. Step 4: Simplify right side
    3,771.13x = 15,113,950.73
  5. Step 5: Solve for x
    x = 15,113,950.73/3,771.13
  6. Step 6: Final answer
    x = 4,007.80

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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.