Home / 3,144.08-4,716.40-1,065.12

Finding the Fourth Proportional to 3,144.08, 4,716.40 and 1,065.12

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Solution

The fourth proportional to 3,144.08, 4,716.40 and 1,065.12 is: 1,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.08 : 4,716.40 = 1,065.12 : x
  2. Step 2: Convert to fraction form
    3,144.08/4,716.40 = 1,065.12/x
  3. Step 3: Cross multiply
    3,144.08x = 4,716.40 × 1,065.12
  4. Step 4: Simplify right side
    3,144.08x = 5,023,531.97
  5. Step 5: Solve for x
    x = 5,023,531.97/3,144.08
  6. Step 6: Final answer
    x = 1,597.77

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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.