Home / 3,002.29-4,503.55-811.04

Finding the Fourth Proportional to 3,002.29, 4,503.55 and 811.04

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Solution

The fourth proportional to 3,002.29, 4,503.55 and 811.04 is: 1,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.29 : 4,503.55 = 811.04 : x
  2. Step 2: Convert to fraction form
    3,002.29/4,503.55 = 811.04/x
  3. Step 3: Cross multiply
    3,002.29x = 4,503.55 × 811.04
  4. Step 4: Simplify right side
    3,002.29x = 3,652,548.83
  5. Step 5: Solve for x
    x = 3,652,548.83/3,002.29
  6. Step 6: Final answer
    x = 1,216.59

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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.