Home / 3,003.12-4,504.01-811.36

Finding the Fourth Proportional to 3,003.12, 4,504.01 and 811.36

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Solution

The fourth proportional to 3,003.12, 4,504.01 and 811.36 is: 1,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.12 : 4,504.01 = 811.36 : x
  2. Step 2: Convert to fraction form
    3,003.12/4,504.01 = 811.36/x
  3. Step 3: Cross multiply
    3,003.12x = 4,504.01 × 811.36
  4. Step 4: Simplify right side
    3,003.12x = 3,654,364.32
  5. Step 5: Solve for x
    x = 3,654,364.32/3,003.12
  6. Step 6: Final answer
    x = 1,216.86

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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.