Home / 3,228.67-4,455.03-1,901.89

Finding the Fourth Proportional to 3,228.67, 4,455.03 and 1,901.89

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Solution

The fourth proportional to 3,228.67, 4,455.03 and 1,901.89 is: 2,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.67 : 4,455.03 = 1,901.89 : x
  2. Step 2: Convert to fraction form
    3,228.67/4,455.03 = 1,901.89/x
  3. Step 3: Cross multiply
    3,228.67x = 4,455.03 × 1,901.89
  4. Step 4: Simplify right side
    3,228.67x = 8,472,977.01
  5. Step 5: Solve for x
    x = 8,472,977.01/3,228.67
  6. Step 6: Final answer
    x = 2,624.29

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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.