Home / 2,321.16-3,484.85-1,976.73

Finding the Fourth Proportional to 2,321.16, 3,484.85 and 1,976.73

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Solution

The fourth proportional to 2,321.16, 3,484.85 and 1,976.73 is: 2,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.16 : 3,484.85 = 1,976.73 : x
  2. Step 2: Convert to fraction form
    2,321.16/3,484.85 = 1,976.73/x
  3. Step 3: Cross multiply
    2,321.16x = 3,484.85 × 1,976.73
  4. Step 4: Simplify right side
    2,321.16x = 6,888,597.66
  5. Step 5: Solve for x
    x = 6,888,597.66/2,321.16
  6. Step 6: Final answer
    x = 2,967.74

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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.