Home / 2,976.23-4,106.91-1,649.58

Finding the Fourth Proportional to 2,976.23, 4,106.91 and 1,649.58

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Solution

The fourth proportional to 2,976.23, 4,106.91 and 1,649.58 is: 2,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.23 : 4,106.91 = 1,649.58 : x
  2. Step 2: Convert to fraction form
    2,976.23/4,106.91 = 1,649.58/x
  3. Step 3: Cross multiply
    2,976.23x = 4,106.91 × 1,649.58
  4. Step 4: Simplify right side
    2,976.23x = 6,774,676.60
  5. Step 5: Solve for x
    x = 6,774,676.60/2,976.23
  6. Step 6: Final answer
    x = 2,276.26

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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.