Home / 3,039.96-4,194.16-1,859.80

Finding the Fourth Proportional to 3,039.96, 4,194.16 and 1,859.80

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Solution

The fourth proportional to 3,039.96, 4,194.16 and 1,859.80 is: 2,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.96 : 4,194.16 = 1,859.80 : x
  2. Step 2: Convert to fraction form
    3,039.96/4,194.16 = 1,859.80/x
  3. Step 3: Cross multiply
    3,039.96x = 4,194.16 × 1,859.80
  4. Step 4: Simplify right side
    3,039.96x = 7,800,298.77
  5. Step 5: Solve for x
    x = 7,800,298.77/3,039.96
  6. Step 6: Final answer
    x = 2,565.92

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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.