Home / 3,299.40-4,553.15-1,807.31

Finding the Fourth Proportional to 3,299.40, 4,553.15 and 1,807.31

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Solution

The fourth proportional to 3,299.40, 4,553.15 and 1,807.31 is: 2,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.40 : 4,553.15 = 1,807.31 : x
  2. Step 2: Convert to fraction form
    3,299.40/4,553.15 = 1,807.31/x
  3. Step 3: Cross multiply
    3,299.40x = 4,553.15 × 1,807.31
  4. Step 4: Simplify right side
    3,299.40x = 8,228,955.87
  5. Step 5: Solve for x
    x = 8,228,955.87/3,299.40
  6. Step 6: Final answer
    x = 2,494.08

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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.