Home / 3,039.40-4,194.58-1,695.22

Finding the Fourth Proportional to 3,039.40, 4,194.58 and 1,695.22

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Solution

The fourth proportional to 3,039.40, 4,194.58 and 1,695.22 is: 2,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.40 : 4,194.58 = 1,695.22 : x
  2. Step 2: Convert to fraction form
    3,039.40/4,194.58 = 1,695.22/x
  3. Step 3: Cross multiply
    3,039.40x = 4,194.58 × 1,695.22
  4. Step 4: Simplify right side
    3,039.40x = 7,110,735.91
  5. Step 5: Solve for x
    x = 7,110,735.91/3,039.40
  6. Step 6: Final answer
    x = 2,339.52

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1.5x scale

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.