Home / 2,976.23-4,107.20-1,649.96

Finding the Fourth Proportional to 2,976.23, 4,107.20 and 1,649.96

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Solution

The fourth proportional to 2,976.23, 4,107.20 and 1,649.96 is: 2,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.23 : 4,107.20 = 1,649.96 : x
  2. Step 2: Convert to fraction form
    2,976.23/4,107.20 = 1,649.96/x
  3. Step 3: Cross multiply
    2,976.23x = 4,107.20 × 1,649.96
  4. Step 4: Simplify right side
    2,976.23x = 6,776,686.93
  5. Step 5: Solve for x
    x = 6,776,686.93/2,976.23
  6. Step 6: Final answer
    x = 2,276.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.