Home / 3,119.47-4,305.60-1,793.94

Finding the Fourth Proportional to 3,119.47, 4,305.60 and 1,793.94

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Solution

The fourth proportional to 3,119.47, 4,305.60 and 1,793.94 is: 2,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.47 : 4,305.60 = 1,793.94 : x
  2. Step 2: Convert to fraction form
    3,119.47/4,305.60 = 1,793.94/x
  3. Step 3: Cross multiply
    3,119.47x = 4,305.60 × 1,793.94
  4. Step 4: Simplify right side
    3,119.47x = 7,723,971.92
  5. Step 5: Solve for x
    x = 7,723,971.92/3,119.47
  6. Step 6: Final answer
    x = 2,476.05

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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.