Home / 3,299.79-4,553.70-1,807.76

Finding the Fourth Proportional to 3,299.79, 4,553.70 and 1,807.76

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Solution

The fourth proportional to 3,299.79, 4,553.70 and 1,807.76 is: 2,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.79 : 4,553.70 = 1,807.76 : x
  2. Step 2: Convert to fraction form
    3,299.79/4,553.70 = 1,807.76/x
  3. Step 3: Cross multiply
    3,299.79x = 4,553.70 × 1,807.76
  4. Step 4: Simplify right side
    3,299.79x = 8,231,973.94
  5. Step 5: Solve for x
    x = 8,231,973.94/3,299.79
  6. Step 6: Final answer
    x = 2,494.70

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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.