Home / 3,180.23-4,767.77-1,447.64

Finding the Fourth Proportional to 3,180.23, 4,767.77 and 1,447.64

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Solution

The fourth proportional to 3,180.23, 4,767.77 and 1,447.64 is: 2,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.23 : 4,767.77 = 1,447.64 : x
  2. Step 2: Convert to fraction form
    3,180.23/4,767.77 = 1,447.64/x
  3. Step 3: Cross multiply
    3,180.23x = 4,767.77 × 1,447.64
  4. Step 4: Simplify right side
    3,180.23x = 6,901,983.49
  5. Step 5: Solve for x
    x = 6,901,983.49/3,180.23
  6. Step 6: Final answer
    x = 2,170.28

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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.