Home / 3,670.11-5,491.51-2,190.12

Finding the Fourth Proportional to 3,670.11, 5,491.51 and 2,190.12

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Solution

The fourth proportional to 3,670.11, 5,491.51 and 2,190.12 is: 3,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.11 : 5,491.51 = 2,190.12 : x
  2. Step 2: Convert to fraction form
    3,670.11/5,491.51 = 2,190.12/x
  3. Step 3: Cross multiply
    3,670.11x = 5,491.51 × 2,190.12
  4. Step 4: Simplify right side
    3,670.11x = 12,027,060.41
  5. Step 5: Solve for x
    x = 12,027,060.41/3,670.11
  6. Step 6: Final answer
    x = 3,277.03

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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.