Home / 3,039.90-4,195.04-1,695.50

Finding the Fourth Proportional to 3,039.90, 4,195.04 and 1,695.50

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Solution

The fourth proportional to 3,039.90, 4,195.04 and 1,695.50 is: 2,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.90 : 4,195.04 = 1,695.50 : x
  2. Step 2: Convert to fraction form
    3,039.90/4,195.04 = 1,695.50/x
  3. Step 3: Cross multiply
    3,039.90x = 4,195.04 × 1,695.50
  4. Step 4: Simplify right side
    3,039.90x = 7,112,690.32
  5. Step 5: Solve for x
    x = 7,112,690.32/3,039.90
  6. Step 6: Final answer
    x = 2,339.78

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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.