Home / 3,039.89-4,195.11-1,713.57

Finding the Fourth Proportional to 3,039.89, 4,195.11 and 1,713.57

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Solution

The fourth proportional to 3,039.89, 4,195.11 and 1,713.57 is: 2,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.89 : 4,195.11 = 1,713.57 : x
  2. Step 2: Convert to fraction form
    3,039.89/4,195.11 = 1,713.57/x
  3. Step 3: Cross multiply
    3,039.89x = 4,195.11 × 1,713.57
  4. Step 4: Simplify right side
    3,039.89x = 7,188,614.64
  5. Step 5: Solve for x
    x = 7,188,614.64/3,039.89
  6. Step 6: Final answer
    x = 2,364.77

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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.