Home / 1,609.04-2,408.09-1,245.45

Finding the Fourth Proportional to 1,609.04, 2,408.09 and 1,245.45

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Solution

The fourth proportional to 1,609.04, 2,408.09 and 1,245.45 is: 1,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.04 : 2,408.09 = 1,245.45 : x
  2. Step 2: Convert to fraction form
    1,609.04/2,408.09 = 1,245.45/x
  3. Step 3: Cross multiply
    1,609.04x = 2,408.09 × 1,245.45
  4. Step 4: Simplify right side
    1,609.04x = 2,999,155.69
  5. Step 5: Solve for x
    x = 2,999,155.69/1,609.04
  6. Step 6: Final answer
    x = 1,863.94

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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.