Home / 1,669.45-2,504.64-499.51

Finding the Fourth Proportional to 1,669.45, 2,504.64 and 499.51

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Solution

The fourth proportional to 1,669.45, 2,504.64 and 499.51 is: 749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.45 : 2,504.64 = 499.51 : x
  2. Step 2: Convert to fraction form
    1,669.45/2,504.64 = 499.51/x
  3. Step 3: Cross multiply
    1,669.45x = 2,504.64 × 499.51
  4. Step 4: Simplify right side
    1,669.45x = 1,251,092.73
  5. Step 5: Solve for x
    x = 1,251,092.73/1,669.45
  6. Step 6: Final answer
    x = 749.40

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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.