Home / 3,145.23-4,716.23-1,170.05

Finding the Fourth Proportional to 3,145.23, 4,716.23 and 1,170.05

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Solution

The fourth proportional to 3,145.23, 4,716.23 and 1,170.05 is: 1,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.23 : 4,716.23 = 1,170.05 : x
  2. Step 2: Convert to fraction form
    3,145.23/4,716.23 = 1,170.05/x
  3. Step 3: Cross multiply
    3,145.23x = 4,716.23 × 1,170.05
  4. Step 4: Simplify right side
    3,145.23x = 5,518,195.48
  5. Step 5: Solve for x
    x = 5,518,195.48/3,145.23
  6. Step 6: Final answer
    x = 1,754.46

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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.