Home / 3,228.38-4,454.02-2,109.96

Finding the Fourth Proportional to 3,228.38, 4,454.02 and 2,109.96

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Solution

The fourth proportional to 3,228.38, 4,454.02 and 2,109.96 is: 2,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.38 : 4,454.02 = 2,109.96 : x
  2. Step 2: Convert to fraction form
    3,228.38/4,454.02 = 2,109.96/x
  3. Step 3: Cross multiply
    3,228.38x = 4,454.02 × 2,109.96
  4. Step 4: Simplify right side
    3,228.38x = 9,397,798.76
  5. Step 5: Solve for x
    x = 9,397,798.76/3,228.38
  6. Step 6: Final answer
    x = 2,911.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.