Home / 3,270.47-4,908.13-1,540.31

Finding the Fourth Proportional to 3,270.47, 4,908.13 and 1,540.31

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Solution

The fourth proportional to 3,270.47, 4,908.13 and 1,540.31 is: 2,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.47 : 4,908.13 = 1,540.31 : x
  2. Step 2: Convert to fraction form
    3,270.47/4,908.13 = 1,540.31/x
  3. Step 3: Cross multiply
    3,270.47x = 4,908.13 × 1,540.31
  4. Step 4: Simplify right side
    3,270.47x = 7,560,013.33
  5. Step 5: Solve for x
    x = 7,560,013.33/3,270.47
  6. Step 6: Final answer
    x = 2,311.60

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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.