Home / 3,119.41-4,679.30-1,171.63

Finding the Fourth Proportional to 3,119.41, 4,679.30 and 1,171.63

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Solution

The fourth proportional to 3,119.41, 4,679.30 and 1,171.63 is: 1,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.41 : 4,679.30 = 1,171.63 : x
  2. Step 2: Convert to fraction form
    3,119.41/4,679.30 = 1,171.63/x
  3. Step 3: Cross multiply
    3,119.41x = 4,679.30 × 1,171.63
  4. Step 4: Simplify right side
    3,119.41x = 5,482,408.26
  5. Step 5: Solve for x
    x = 5,482,408.26/3,119.41
  6. Step 6: Final answer
    x = 1,757.51

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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.