Home / 3,323.70-4,977.45-3,177.90

Finding the Fourth Proportional to 3,323.70, 4,977.45 and 3,177.90

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Solution

The fourth proportional to 3,323.70, 4,977.45 and 3,177.90 is: 4,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.70 : 4,977.45 = 3,177.90 : x
  2. Step 2: Convert to fraction form
    3,323.70/4,977.45 = 3,177.90/x
  3. Step 3: Cross multiply
    3,323.70x = 4,977.45 × 3,177.90
  4. Step 4: Simplify right side
    3,323.70x = 15,817,838.36
  5. Step 5: Solve for x
    x = 15,817,838.36/3,323.70
  6. Step 6: Final answer
    x = 4,759.11

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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.