Home / 1,669.42-2,503.94-499.44

Finding the Fourth Proportional to 1,669.42, 2,503.94 and 499.44

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Solution

The fourth proportional to 1,669.42, 2,503.94 and 499.44 is: 749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.42 : 2,503.94 = 499.44 : x
  2. Step 2: Convert to fraction form
    1,669.42/2,503.94 = 499.44/x
  3. Step 3: Cross multiply
    1,669.42x = 2,503.94 × 499.44
  4. Step 4: Simplify right side
    1,669.42x = 1,250,567.79
  5. Step 5: Solve for x
    x = 1,250,567.79/1,669.42
  6. Step 6: Final answer
    x = 749.10

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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.