Home / 3,098.19-4,649.58-1,929.90

Finding the Fourth Proportional to 3,098.19, 4,649.58 and 1,929.90

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Solution

The fourth proportional to 3,098.19, 4,649.58 and 1,929.90 is: 2,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.19 : 4,649.58 = 1,929.90 : x
  2. Step 2: Convert to fraction form
    3,098.19/4,649.58 = 1,929.90/x
  3. Step 3: Cross multiply
    3,098.19x = 4,649.58 × 1,929.90
  4. Step 4: Simplify right side
    3,098.19x = 8,973,224.44
  5. Step 5: Solve for x
    x = 8,973,224.44/3,098.19
  6. Step 6: Final answer
    x = 2,896.28

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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.