Home / 3,157.11-4,736.34-1,077.44

Finding the Fourth Proportional to 3,157.11, 4,736.34 and 1,077.44

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Solution

The fourth proportional to 3,157.11, 4,736.34 and 1,077.44 is: 1,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.11 : 4,736.34 = 1,077.44 : x
  2. Step 2: Convert to fraction form
    3,157.11/4,736.34 = 1,077.44/x
  3. Step 3: Cross multiply
    3,157.11x = 4,736.34 × 1,077.44
  4. Step 4: Simplify right side
    3,157.11x = 5,103,098.49
  5. Step 5: Solve for x
    x = 5,103,098.49/3,157.11
  6. Step 6: Final answer
    x = 1,616.38

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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.