Home / 2,219.14-3,040.24-2,136.10

Finding the Fourth Proportional to 2,219.14, 3,040.24 and 2,136.10

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Solution

The fourth proportional to 2,219.14, 3,040.24 and 2,136.10 is: 2,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.14 : 3,040.24 = 2,136.10 : x
  2. Step 2: Convert to fraction form
    2,219.14/3,040.24 = 2,136.10/x
  3. Step 3: Cross multiply
    2,219.14x = 3,040.24 × 2,136.10
  4. Step 4: Simplify right side
    2,219.14x = 6,494,256.66
  5. Step 5: Solve for x
    x = 6,494,256.66/2,219.14
  6. Step 6: Final answer
    x = 2,926.47

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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.