Home / 3,165.03-4,747.55-1,604.79

Finding the Fourth Proportional to 3,165.03, 4,747.55 and 1,604.79

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Solution

The fourth proportional to 3,165.03, 4,747.55 and 1,604.79 is: 2,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.03 : 4,747.55 = 1,604.79 : x
  2. Step 2: Convert to fraction form
    3,165.03/4,747.55 = 1,604.79/x
  3. Step 3: Cross multiply
    3,165.03x = 4,747.55 × 1,604.79
  4. Step 4: Simplify right side
    3,165.03x = 7,618,812.74
  5. Step 5: Solve for x
    x = 7,618,812.74/3,165.03
  6. Step 6: Final answer
    x = 2,407.19

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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.