Home / 2,976.10-4,106.93-1,649.72

Finding the Fourth Proportional to 2,976.10, 4,106.93 and 1,649.72

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Solution

The fourth proportional to 2,976.10, 4,106.93 and 1,649.72 is: 2,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.10 : 4,106.93 = 1,649.72 : x
  2. Step 2: Convert to fraction form
    2,976.10/4,106.93 = 1,649.72/x
  3. Step 3: Cross multiply
    2,976.10x = 4,106.93 × 1,649.72
  4. Step 4: Simplify right side
    2,976.10x = 6,775,286.58
  5. Step 5: Solve for x
    x = 6,775,286.58/2,976.10
  6. Step 6: Final answer
    x = 2,276.57

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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.