Home / 3,213.20-4,815.54-2,384.98

Finding the Fourth Proportional to 3,213.20, 4,815.54 and 2,384.98

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Solution

The fourth proportional to 3,213.20, 4,815.54 and 2,384.98 is: 3,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.20 : 4,815.54 = 2,384.98 : x
  2. Step 2: Convert to fraction form
    3,213.20/4,815.54 = 2,384.98/x
  3. Step 3: Cross multiply
    3,213.20x = 4,815.54 × 2,384.98
  4. Step 4: Simplify right side
    3,213.20x = 11,484,966.59
  5. Step 5: Solve for x
    x = 11,484,966.59/3,213.20
  6. Step 6: Final answer
    x = 3,574.31

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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.