Home / 3,147.56-4,721.50-1,199.92

Finding the Fourth Proportional to 3,147.56, 4,721.50 and 1,199.92

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Solution

The fourth proportional to 3,147.56, 4,721.50 and 1,199.92 is: 1,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.56 : 4,721.50 = 1,199.92 : x
  2. Step 2: Convert to fraction form
    3,147.56/4,721.50 = 1,199.92/x
  3. Step 3: Cross multiply
    3,147.56x = 4,721.50 × 1,199.92
  4. Step 4: Simplify right side
    3,147.56x = 5,665,422.28
  5. Step 5: Solve for x
    x = 5,665,422.28/3,147.56
  6. Step 6: Final answer
    x = 1,799.94

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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.