Home / 3,119.53-4,697.75-2,713.56

Finding the Fourth Proportional to 3,119.53, 4,697.75 and 2,713.56

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Solution

The fourth proportional to 3,119.53, 4,697.75 and 2,713.56 is: 4,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.53 : 4,697.75 = 2,713.56 : x
  2. Step 2: Convert to fraction form
    3,119.53/4,697.75 = 2,713.56/x
  3. Step 3: Cross multiply
    3,119.53x = 4,697.75 × 2,713.56
  4. Step 4: Simplify right side
    3,119.53x = 12,747,626.49
  5. Step 5: Solve for x
    x = 12,747,626.49/3,119.53
  6. Step 6: Final answer
    x = 4,086.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.