Home / 3,060.18-4,589.82-868.86

Finding the Fourth Proportional to 3,060.18, 4,589.82 and 868.86

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Solution

The fourth proportional to 3,060.18, 4,589.82 and 868.86 is: 1,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.18 : 4,589.82 = 868.86 : x
  2. Step 2: Convert to fraction form
    3,060.18/4,589.82 = 868.86/x
  3. Step 3: Cross multiply
    3,060.18x = 4,589.82 × 868.86
  4. Step 4: Simplify right side
    3,060.18x = 3,987,911.01
  5. Step 5: Solve for x
    x = 3,987,911.01/3,060.18
  6. Step 6: Final answer
    x = 1,303.16

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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.