Home / 3,285.45-4,928.10-1,337.19

Finding the Fourth Proportional to 3,285.45, 4,928.10 and 1,337.19

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Solution

The fourth proportional to 3,285.45, 4,928.10 and 1,337.19 is: 2,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.45 : 4,928.10 = 1,337.19 : x
  2. Step 2: Convert to fraction form
    3,285.45/4,928.10 = 1,337.19/x
  3. Step 3: Cross multiply
    3,285.45x = 4,928.10 × 1,337.19
  4. Step 4: Simplify right side
    3,285.45x = 6,589,806.04
  5. Step 5: Solve for x
    x = 6,589,806.04/3,285.45
  6. Step 6: Final answer
    x = 2,005.75

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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.