Home / 3,228.10-4,454.40-1,902.13

Finding the Fourth Proportional to 3,228.10, 4,454.40 and 1,902.13

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Solution

The fourth proportional to 3,228.10, 4,454.40 and 1,902.13 is: 2,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.10 : 4,454.40 = 1,902.13 : x
  2. Step 2: Convert to fraction form
    3,228.10/4,454.40 = 1,902.13/x
  3. Step 3: Cross multiply
    3,228.10x = 4,454.40 × 1,902.13
  4. Step 4: Simplify right side
    3,228.10x = 8,472,847.87
  5. Step 5: Solve for x
    x = 8,472,847.87/3,228.10
  6. Step 6: Final answer
    x = 2,624.72

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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.