Home / 3,039.80-4,194.61-1,695.35

Finding the Fourth Proportional to 3,039.80, 4,194.61 and 1,695.35

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Solution

The fourth proportional to 3,039.80, 4,194.61 and 1,695.35 is: 2,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.80 : 4,194.61 = 1,695.35 : x
  2. Step 2: Convert to fraction form
    3,039.80/4,194.61 = 1,695.35/x
  3. Step 3: Cross multiply
    3,039.80x = 4,194.61 × 1,695.35
  4. Step 4: Simplify right side
    3,039.80x = 7,111,338.31
  5. Step 5: Solve for x
    x = 7,111,338.31/3,039.80
  6. Step 6: Final answer
    x = 2,339.41

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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.