Home / 3,240.12-4,860.25-1,160.27

Finding the Fourth Proportional to 3,240.12, 4,860.25 and 1,160.27

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Solution

The fourth proportional to 3,240.12, 4,860.25 and 1,160.27 is: 1,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.12 : 4,860.25 = 1,160.27 : x
  2. Step 2: Convert to fraction form
    3,240.12/4,860.25 = 1,160.27/x
  3. Step 3: Cross multiply
    3,240.12x = 4,860.25 × 1,160.27
  4. Step 4: Simplify right side
    3,240.12x = 5,639,177.97
  5. Step 5: Solve for x
    x = 5,639,177.97/3,240.12
  6. Step 6: Final answer
    x = 1,740.43

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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.