Home / 3,228.26-4,455.20-1,902.08

Finding the Fourth Proportional to 3,228.26, 4,455.20 and 1,902.08

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Solution

The fourth proportional to 3,228.26, 4,455.20 and 1,902.08 is: 2,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.26 : 4,455.20 = 1,902.08 : x
  2. Step 2: Convert to fraction form
    3,228.26/4,455.20 = 1,902.08/x
  3. Step 3: Cross multiply
    3,228.26x = 4,455.20 × 1,902.08
  4. Step 4: Simplify right side
    3,228.26x = 8,474,162.71
  5. Step 5: Solve for x
    x = 8,474,162.71/3,228.26
  6. Step 6: Final answer
    x = 2,625.00

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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.