Home / 3,039.64-4,193.22-1,920.04

Finding the Fourth Proportional to 3,039.64, 4,193.22 and 1,920.04

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Solution

The fourth proportional to 3,039.64, 4,193.22 and 1,920.04 is: 2,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.64 : 4,193.22 = 1,920.04 : x
  2. Step 2: Convert to fraction form
    3,039.64/4,193.22 = 1,920.04/x
  3. Step 3: Cross multiply
    3,039.64x = 4,193.22 × 1,920.04
  4. Step 4: Simplify right side
    3,039.64x = 8,051,150.13
  5. Step 5: Solve for x
    x = 8,051,150.13/3,039.64
  6. Step 6: Final answer
    x = 2,648.72

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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.