Home / 2,976.21-4,458.54-2,309.61

Finding the Fourth Proportional to 2,976.21, 4,458.54 and 2,309.61

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Solution

The fourth proportional to 2,976.21, 4,458.54 and 2,309.61 is: 3,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.21 : 4,458.54 = 2,309.61 : x
  2. Step 2: Convert to fraction form
    2,976.21/4,458.54 = 2,309.61/x
  3. Step 3: Cross multiply
    2,976.21x = 4,458.54 × 2,309.61
  4. Step 4: Simplify right side
    2,976.21x = 10,297,488.57
  5. Step 5: Solve for x
    x = 10,297,488.57/2,976.21
  6. Step 6: Final answer
    x = 3,459.93

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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.