Home / 3,002.13-4,503.37-811.04

Finding the Fourth Proportional to 3,002.13, 4,503.37 and 811.04

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Solution

The fourth proportional to 3,002.13, 4,503.37 and 811.04 is: 1,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.13 : 4,503.37 = 811.04 : x
  2. Step 2: Convert to fraction form
    3,002.13/4,503.37 = 811.04/x
  3. Step 3: Cross multiply
    3,002.13x = 4,503.37 × 811.04
  4. Step 4: Simplify right side
    3,002.13x = 3,652,388.66
  5. Step 5: Solve for x
    x = 3,652,388.66/3,002.13
  6. Step 6: Final answer
    x = 1,216.60

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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.