Home / 3,003.76-4,505.64-1,272.24

Finding the Fourth Proportional to 3,003.76, 4,505.64 and 1,272.24

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Solution

The fourth proportional to 3,003.76, 4,505.64 and 1,272.24 is: 1,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.76 : 4,505.64 = 1,272.24 : x
  2. Step 2: Convert to fraction form
    3,003.76/4,505.64 = 1,272.24/x
  3. Step 3: Cross multiply
    3,003.76x = 4,505.64 × 1,272.24
  4. Step 4: Simplify right side
    3,003.76x = 5,732,255.43
  5. Step 5: Solve for x
    x = 5,732,255.43/3,003.76
  6. Step 6: Final answer
    x = 1,908.36

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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.