Home / 2,219.11-3,040.13-2,136.02

Finding the Fourth Proportional to 2,219.11, 3,040.13 and 2,136.02

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Solution

The fourth proportional to 2,219.11, 3,040.13 and 2,136.02 is: 2,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.11 : 3,040.13 = 2,136.02 : x
  2. Step 2: Convert to fraction form
    2,219.11/3,040.13 = 2,136.02/x
  3. Step 3: Cross multiply
    2,219.11x = 3,040.13 × 2,136.02
  4. Step 4: Simplify right side
    2,219.11x = 6,493,768.62
  5. Step 5: Solve for x
    x = 6,493,768.62/2,219.11
  6. Step 6: Final answer
    x = 2,926.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.