Home / 3,060.08-4,589.48-869.04

Finding the Fourth Proportional to 3,060.08, 4,589.48 and 869.04

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Solution

The fourth proportional to 3,060.08, 4,589.48 and 869.04 is: 1,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.08 : 4,589.48 = 869.04 : x
  2. Step 2: Convert to fraction form
    3,060.08/4,589.48 = 869.04/x
  3. Step 3: Cross multiply
    3,060.08x = 4,589.48 × 869.04
  4. Step 4: Simplify right side
    3,060.08x = 3,988,441.70
  5. Step 5: Solve for x
    x = 3,988,441.70/3,060.08
  6. Step 6: Final answer
    x = 1,303.38

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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.