Home / 3,060.22-4,590.39-868.90

Finding the Fourth Proportional to 3,060.22, 4,590.39 and 868.90

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Solution

The fourth proportional to 3,060.22, 4,590.39 and 868.90 is: 1,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.22 : 4,590.39 = 868.90 : x
  2. Step 2: Convert to fraction form
    3,060.22/4,590.39 = 868.90/x
  3. Step 3: Cross multiply
    3,060.22x = 4,590.39 × 868.90
  4. Step 4: Simplify right side
    3,060.22x = 3,988,589.87
  5. Step 5: Solve for x
    x = 3,988,589.87/3,060.22
  6. Step 6: Final answer
    x = 1,303.37

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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.