Home / 2,270.28-3,406.86-1,230.99

Finding the Fourth Proportional to 2,270.28, 3,406.86 and 1,230.99

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Solution

The fourth proportional to 2,270.28, 3,406.86 and 1,230.99 is: 1,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.28 : 3,406.86 = 1,230.99 : x
  2. Step 2: Convert to fraction form
    2,270.28/3,406.86 = 1,230.99/x
  3. Step 3: Cross multiply
    2,270.28x = 3,406.86 × 1,230.99
  4. Step 4: Simplify right side
    2,270.28x = 4,193,810.59
  5. Step 5: Solve for x
    x = 4,193,810.59/2,270.28
  6. Step 6: Final answer
    x = 1,847.27

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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.