Home / 3,485-4,811.52-2,245.16

Finding the Fourth Proportional to 3,485, 4,811.52 and 2,245.16

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Solution

The fourth proportional to 3,485, 4,811.52 and 2,245.16 is: 3,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485 : 4,811.52 = 2,245.16 : x
  2. Step 2: Convert to fraction form
    3,485/4,811.52 = 2,245.16/x
  3. Step 3: Cross multiply
    3,485x = 4,811.52 × 2,245.16
  4. Step 4: Simplify right side
    3,485x = 10,802,632.24
  5. Step 5: Solve for x
    x = 10,802,632.24/3,485
  6. Step 6: Final answer
    x = 3,099.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.