Home / 3,270.69-4,908.19-1,539.45

Finding the Fourth Proportional to 3,270.69, 4,908.19 and 1,539.45

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Solution

The fourth proportional to 3,270.69, 4,908.19 and 1,539.45 is: 2,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.69 : 4,908.19 = 1,539.45 : x
  2. Step 2: Convert to fraction form
    3,270.69/4,908.19 = 1,539.45/x
  3. Step 3: Cross multiply
    3,270.69x = 4,908.19 × 1,539.45
  4. Step 4: Simplify right side
    3,270.69x = 7,555,913.10
  5. Step 5: Solve for x
    x = 7,555,913.10/3,270.69
  6. Step 6: Final answer
    x = 2,310.19

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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.