Home / 4,129.19-6,194.93-1,908.70

Finding the Fourth Proportional to 4,129.19, 6,194.93 and 1,908.70

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Solution

The fourth proportional to 4,129.19, 6,194.93 and 1,908.70 is: 2,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.19 : 6,194.93 = 1,908.70 : x
  2. Step 2: Convert to fraction form
    4,129.19/6,194.93 = 1,908.70/x
  3. Step 3: Cross multiply
    4,129.19x = 6,194.93 × 1,908.70
  4. Step 4: Simplify right side
    4,129.19x = 11,824,237.86
  5. Step 5: Solve for x
    x = 11,824,237.86/4,129.19
  6. Step 6: Final answer
    x = 2,863.57

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1.5x scale

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.