Home / 3,426.44-5,137.74-1,477.64

Finding the Fourth Proportional to 3,426.44, 5,137.74 and 1,477.64

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Solution

The fourth proportional to 3,426.44, 5,137.74 and 1,477.64 is: 2,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.44 : 5,137.74 = 1,477.64 : x
  2. Step 2: Convert to fraction form
    3,426.44/5,137.74 = 1,477.64/x
  3. Step 3: Cross multiply
    3,426.44x = 5,137.74 × 1,477.64
  4. Step 4: Simplify right side
    3,426.44x = 7,591,730.13
  5. Step 5: Solve for x
    x = 7,591,730.13/3,426.44
  6. Step 6: Final answer
    x = 2,215.63

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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.