Home / 3,069.36-4,612.32-1,609.56

Finding the Fourth Proportional to 3,069.36, 4,612.32 and 1,609.56

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Solution

The fourth proportional to 3,069.36, 4,612.32 and 1,609.56 is: 2,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.36 : 4,612.32 = 1,609.56 : x
  2. Step 2: Convert to fraction form
    3,069.36/4,612.32 = 1,609.56/x
  3. Step 3: Cross multiply
    3,069.36x = 4,612.32 × 1,609.56
  4. Step 4: Simplify right side
    3,069.36x = 7,423,805.78
  5. Step 5: Solve for x
    x = 7,423,805.78/3,069.36
  6. Step 6: Final answer
    x = 2,418.68

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1.5x scale

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.