Home / 2,219.64-3,040.92-2,136.60

Finding the Fourth Proportional to 2,219.64, 3,040.92 and 2,136.60

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Solution

The fourth proportional to 2,219.64, 3,040.92 and 2,136.60 is: 2,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.64 : 3,040.92 = 2,136.60 : x
  2. Step 2: Convert to fraction form
    2,219.64/3,040.92 = 2,136.60/x
  3. Step 3: Cross multiply
    2,219.64x = 3,040.92 × 2,136.60
  4. Step 4: Simplify right side
    2,219.64x = 6,497,229.67
  5. Step 5: Solve for x
    x = 6,497,229.67/2,219.64
  6. Step 6: Final answer
    x = 2,927.15

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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.